| 1. | Mechanical drawings - representation of centre holes
机械制图中心孔表示法 |
| 2. | Machine tools ; 60 centre holes ; dimensioning
机床. 60中心孔.尺寸选定方法 |
| 3. | Technical drawings - simplified representation of centre holes
技术制图.中心孔简化表示法 |
| 4. | Technical drawings . simplified representation of centre holes
技术图纸.中心孔的简化表示法 |
| 5. | Centre holes 90 , form s ; dimensions , determination process
S型90中心孔.第8部分:尺寸的测量方法 |
| 6. | Technical drawings - simplified representation of centre holes iso 6411 : 1982
技术图样.中心孔简化画法 |
| 7. | Centre holes for rail vehicles axles
轨道车辆桥的中心孔 |
| 8. | Center holes 60 with thread for shaft ends for rotating electrical machines
旋转电动机械用轴端带螺纹的60度中心孔 |
| 9. | Technical guide for the nondestructive testing of turbine - generator rotor bores
汽轮发电机组转子中心孔检验技术导则 |
| 10. | Cylindrical and 1 10 conical shaft ends . internal threads . center holes
园柱轴和1 10锥度的锥形轴端.内螺纹.中心孔 |
