(!)亲爱的顾客,您所使用的IE浏览器,微软公司已不再提供技术支持,为避免可能产生的米思米网站浏览体验影响,建议您使用Windows10系统及最新的谷歌Chrome或微软Edge浏览器访问本网站。 若您使用360浏览器的兼容模式,请切换到极速模式继续访问。也可以通过应用市场下载米思米闪购商城APP进行访问,谢谢。
(!)亲爱的顾客,您所使用的Edge浏览器版本过低,为避免可能产生的米思米网站浏览体验影响,建议您升级使用最新的Edge浏览器访问本网站。 您也可以通过应用市场下载米思米闪购商城APP进行访问,谢谢。
品牌:
产品说明:
单价(未税):
标准单价:
包装规格:
总价(未税):
总价(含税):
单价(未税):
总价(未税):
总价(含税):
预计发货日:
2天起
2天起
购买件数:
数量折扣:
数量 | 单价(未税) | 参考发货日 |
---|---|---|
1~19 | ¥9X.XX | X天 |
20~27 | ¥8X.XX | 询价 |
28~49 | ¥7X.XX | 询价 |
总价(未税):
总价(含税):
购买件数:
总价(未税):
总价(含税):
购买件数:
材质 硬度 | 型号 | ||
Type | Shape | ||
D公差 | D公差 | ||
NAK80 37~43HRC | CPNL | CPKL | C G T R B |
SKD61 48~52HRC | CPDL | CPPL | |
SKH51 58~60HRC | CPXL | CPHL |
H | 型号 | L 指定单位0.01mm | Shape(前端尺寸) | |||
Type | Shape | D | ||||
轴径公差 D | 轴径公差 D | |||||
3 | CPHL (0.8≤D≤16) CPDL CPXL | CPKL (0.8≤D≤16) CPPL CPHL | C G T R B | 0.8 | 10.00~100.00 | G K···指定单位1° T F···指定单位0.01mm K···指定单位1° 加工极限参照规格图 |
0.9 | ||||||
1 | ||||||
1.1 | ||||||
1.2 | ||||||
1.3 | ||||||
1.4 | ||||||
1.5 | ||||||
4 | 1.6 | |||||
1.7 | ||||||
1.8 | ||||||
1.9 | ||||||
2 | ||||||
5 | 2.5 | |||||
6 | 3 | |||||
7 | 3.5 | 10.00~120.00 | ||||
4 | ||||||
8 | 4.5 | |||||
5 | ||||||
9 | 5.5 | |||||
6 | ||||||
10 | 6.5 | |||||
7 | ||||||
11 | 8 | |||||
15 | 10 | |||||
18 | 13 | |||||
21 | 16 | |||||
25 | CPDL CPXL | CPPL CPHL | 20 |
型号 |
---|
CPDLB0.8-[10-100/0.01] |
CPDLB0.9-[10-100/0.01] |
CPDLB1-[10-100/0.01] |
CPDLB1.1-[10-100/0.01] |
CPDLB1.2-[10-100/0.01] |
CPDLB1.3-[10-100/0.01] |
CPDLB1.4-[10-100/0.01] |
CPDLB1.5-[10-100/0.01] |
CPDLB1.6-[10-100/0.01] |
CPDLB1.7-[10-100/0.01] |
CPDLB1.8-[10-100/0.01] |
CPDLB1.9-[10-100/0.01] |
CPDLB2-[10-100/0.01] |
CPDLB2.5-[10-100/0.01] |
CPDLB3-[10-100/0.01] |
CPDLB3.5-[10-120/0.01] |
CPDLB4-[10-120/0.01] |
CPDLB4.5-[10-120/0.01] |
CPDLB5-[10-120/0.01] |
CPDLB5.5-[10-120/0.01] |
CPDLB6-[10-120/0.01] |
CPDLB6.5-[10-120/0.01] |
CPDLB7-[10-120/0.01] |
CPDLB8-[10-120/0.01] |
CPDLB10-[10-120/0.01] |
CPDLB13-[10-120/0.01] |
CPDLB16-[10-120/0.01] |
CPDLB20-[10-120/0.01] |
CPDLC0.8-[10-100/0.01] |
CPDLC0.9-[10-100/0.01] |
CPDLC1-[10-100/0.01] |
CPDLC1.1-[10-100/0.01] |
CPDLC1.2-[10-100/0.01] |
CPDLC1.3-[10-100/0.01] |
CPDLC1.4-[10-100/0.01] |
CPDLC1.5-[10-100/0.01] |
CPDLC1.6-[10-100/0.01] |
CPDLC1.7-[10-100/0.01] |
CPDLC1.8-[10-100/0.01] |
CPDLC1.9-[10-100/0.01] |
CPDLC2-[10-100/0.01] |
CPDLC2.5-[10-100/0.01] |
CPDLC3-[10-100/0.01] |
CPDLC3.5-[10-120/0.01] |
CPDLC4-[10-120/0.01] |
CPDLC4.5-[10-120/0.01] |
CPDLC5-[10-120/0.01] |
CPDLC5.5-[10-120/0.01] |
CPDLC6-[10-120/0.01] |
CPDLC6.5-[10-120/0.01] |
CPDLC7-[10-120/0.01] |
CPDLC8-[10-120/0.01] |
CPDLC10-[10-120/0.01] |
CPDLC13-[10-120/0.01] |
CPDLC16-[10-120/0.01] |
CPDLC20-[10-120/0.01] |
CPDLG0.8-[10.5-100/0.01]-K[20-60/0.5] |
CPDLG0.8-[10.5-100/0.01]-K[20-60/1] |
CPDLG0.9-[10.5-100/0.01]-K[20-60/0.5] |
CPDLG0.9-[10.5-100/0.01]-K[20-60/1] |
CPDLG1-[10-100/0.01]-K[20-60/0.5] |
CPDLG1-[10-100/0.01]-K[20-60/1] |
CPDLG1.1-[10.5-100/0.01]-K[20-60/0.5] |
CPDLG1.1-[10.5-100/0.01]-K[20-60/1] |
CPDLG1.2-[10.5-100/0.01]-K[20-60/0.5] |
CPDLG1.2-[10.5-100/0.01]-K[20-60/1] |
CPDLG1.3-[10-100/0.01]-K[20-60/0.5] |
CPDLG1.3-[10-100/0.01]-K[20-60/1] |
CPDLG1.4-[10-100/0.01]-K[20-60/0.5] |
CPDLG1.4-[10-100/0.01]-K[20-60/1] |
CPDLG1.5-[10-100/0.01]-K[20-60/0.5] |
CPDLG1.5-[10-100/0.01]-K[20-60/1] |
CPDLG1.6-[10-100/0.01]-K[20-60/0.5] |
CPDLG1.6-[10-100/0.01]-K[20-60/1] |
CPDLG1.7-[10-100/0.01]-K[20-60/0.5] |
CPDLG1.7-[10-100/0.01]-K[20-60/1] |
CPDLG1.8-[10-100/0.01]-K[20-60/0.5] |
CPDLG1.8-[10-100/0.01]-K[20-60/1] |
CPDLG1.9-[10-100/0.01]-K[20-60/0.5] |
CPDLG1.9-[10-100/0.01]-K[20-60/1] |
CPDLG2-[10-100/0.01]-K[20-60/0.5] |
CPDLG2-[10-100/0.01]-K[20-60/1] |
CPDLG2.5-[10-100/0.01]-K[20-60/0.5] |
CPDLG2.5-[10-100/0.01]-K[20-60/1] |
CPDLG3-[10-100/0.01]-K[20-60/0.5] |
CPDLG3-[10-100/0.01]-K[20-60/1] |
CPDLG3.5-[10-120/0.01]-K[20-60/0.5] |
CPDLG3.5-[10-120/0.01]-K[20-60/1] |
CPDLG4-[10-120/0.01]-K[20-60/0.5] |
CPDLG4-[10-120/0.01]-K[20-60/1] |
型号 | 数量折扣 | 一般 发货日 | RoHS | D/P(轴径) (mm) | 全长公差 | 材质 | 轴径公差 | 淬火 | 前端形状 | L(全长) (mm) | K(前端部角度) (°) | F (mm) |
---|---|---|---|---|---|---|---|---|---|---|---|---|
3天 | 10 | 0.8 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 100 | - | - | ||
3天 | 10 | 0.9 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 100 | - | - | ||
2天 | 10 | 1 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 100 | - | - | ||
2天 | 10 | 1.1 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 100 | - | - | ||
2天 | 10 | 1.2 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 100 | - | - | ||
2天 | 10 | 1.3 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 100 | - | - | ||
2天 | 10 | 1.4 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 100 | - | - | ||
2天 | 10 | 1.5 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 100 | - | - | ||
2天 | 10 | 1.6 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 100 | - | - | ||
2天 | 10 | 1.7 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 100 | - | - | ||
2天 | 10 | 1.8 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 100 | - | - | ||
2天 | 10 | 1.9 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 100 | - | - | ||
2天 | 10 | 2 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 100 | - | - | ||
2天 | 10 | 2.5 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 100 | - | - | ||
2天 | 10 | 3 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 100 | - | - | ||
2天 | 10 | 3.5 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 120 | - | - | ||
2天 | 10 | 4 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 120 | - | - | ||
2天 | 10 | 4.5 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 120 | - | - | ||
2天 | 10 | 5 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 120 | - | - | ||
2天 | 10 | 5.5 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 120 | - | - | ||
2天 | 10 | 6 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 120 | - | - | ||
2天 | 10 | 6.5 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 120 | - | - | ||
2天 | 10 | 7 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 120 | - | - | ||
2天 | 10 | 8 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 120 | - | - | ||
2天 | 10 | 10 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 120 | - | - | ||
2天 | 10 | 13 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 120 | - | - | ||
2天 | 10 | 16 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 120 | - | - | ||
2天 | 10 | 20 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | B | 10 ~ 120 | - | - | ||
2天 | 10 | 0.8 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 100 | - | - | ||
2天 | 10 | 0.9 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 100 | - | - | ||
2天 | 10 | 1 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 100 | - | - | ||
2天 | 10 | 1.1 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 100 | - | - | ||
2天 | 10 | 1.2 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 100 | - | - | ||
2天 | 10 | 1.3 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 100 | - | - | ||
2天 | 10 | 1.4 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 100 | - | - | ||
2天 | 10 | 1.5 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 100 | - | - | ||
2天 | 10 | 1.6 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 100 | - | - | ||
2天 | 10 | 1.7 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 100 | - | - | ||
2天 | 10 | 1.8 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 100 | - | - | ||
2天 | 10 | 1.9 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 100 | - | - | ||
2天 | 10 | 2 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 100 | - | - | ||
2天 | 10 | 2.5 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 100 | - | - | ||
2天 | 10 | 3 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 100 | - | - | ||
2天 | 10 | 3.5 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 120 | - | - | ||
2天 | 10 | 4 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 120 | - | - | ||
2天 | 10 | 4.5 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 120 | - | - | ||
2天 | 10 | 5 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 120 | - | - | ||
2天 | 10 | 5.5 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 120 | - | - | ||
2天 | 10 | 6 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 120 | - | - | ||
2天 | 10 | 6.5 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 120 | - | - | ||
2天 | 10 | 7 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 120 | - | - | ||
2天 | 10 | 8 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 120 | - | - | ||
2天 | 10 | 10 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 120 | - | - | ||
2天 | 10 | 13 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 120 | - | - | ||
2天 | 10 | 16 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 120 | - | - | ||
2天 | 10 | 20 | 0/-0.02 | SKD61 | -0.01/-0.02 | 淬火钢 | C | 10 ~ 120 | - | - | ||
2天 | 10 | 0.8 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10.5 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 0.8 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10.5 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 0.9 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10.5 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 0.9 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10.5 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 1 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 1 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 1.1 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10.5 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 1.1 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10.5 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 1.2 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10.5 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 1.2 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10.5 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 1.3 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 1.3 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 1.4 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 1.4 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 1.5 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 1.5 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 1.6 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 1.6 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 1.7 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 1.7 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 1.8 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 1.8 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 1.9 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 1.9 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 2 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 2 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 2.5 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 2.5 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 3 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 3 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 100 | 20 ~ 60 | - | ||
2天 | 10 | 3.5 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 120 | 20 ~ 60 | - | ||
2天 | 10 | 3.5 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 120 | 20 ~ 60 | - | ||
2天 | 10 | 4 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 120 | 20 ~ 60 | - | ||
2天 | 10 | 4 | 0/-0.1 | SKD61 | -0.01/-0.02 | 淬火钢 | G | 10 ~ 120 | 20 ~ 60 | - |
Loading...
D/P(轴径)(mm) | 0.8 | 全长公差 | 0/-0.1 |
材质 | SKD61 | 轴径公差 | -0.01/-0.02 |
肩部厚度 | 4mm(T4) | 形状类型 | 带前端形状 |
淬火 | 淬火钢 | 前端形状 | B |
排气元件形状 | 无 | 刻印文字型 | 无 |
刻印文字数 | 无 | L(全长)(mm) | 10 ~ 100 |
K(前端部角度)(°) | - | F(mm) | - |
RoHS | 10 |
D/P(轴径)(mm) | 0.8 | 全长公差 | 0/-0.1 | 材质 | SKD61 |
轴径公差 | -0.01/-0.02 | 肩部厚度 | 4mm(T4) | 形状类型 | 带前端形状 |
淬火 | 淬火钢 | 前端形状 | B | 排气元件形状 | 无 |
刻印文字型 | 无 | 刻印文字数 | 无 | L(全长)(mm) | 10 ~ 100 |
K(前端部角度)(°) | - | F(mm) | - | RoHS | 10 |
型芯 | X1max. | |
L<10 | L≥10 | |
标准型 | T(TC)+1.5 | T(TC)+4 |
精密型 超精密型 | T(TC)+1 | T(TC)+2 |
轴径的精度 | P1精度 | ||
轴径 | 0 -0.003 | P1 | 0 -0.005 |
轴径 | 0 -0.005 | P1 | 0 -0.005 |
轴径 | -0.01 -0.02 | P1 | -0.01 -0.06 |
关于此商品的常见问题 (FAQ)
Loading...
对比栏
商品对比
商品对比
清空
商品型号
*文件/证书分类
*具体说明