| 1. | Serrated lock washers . double row of teeth . plain form 双排齿锁紧垫圈.普通型 |
| 2. | Rolling bearings ; spherical roller bearings , double row 滚动轴承.双列球面滚柱轴承 |
| 3. | Rolling bearings ; double row radial contact ball bearings 滚动轴承.双列向心球轴承 |
| 4. | Forcing distribution of buried double row anti - slid piles 全埋式双排抗滑桩的受力分布 |
| 5. | 2 70 mm photographic films with double row of perforations . type 2 双排孔70mm摄影胶片 |
| 6. | Numerical analysis of working characteristics of double row piles 双排桩围护结构工作特性数值分析 |
| 7. | A new mode for calculation of portal double row anti - sliding piles 门架式双排抗滑桩设计计算新模式 |
| 8. | Tapered roller bearings . double row bearings . boundary dimensions 锥形滚柱轴承.双列轴承.边界尺寸 |
| 9. | Rolling bearings ; angular contact ball bearing , double row , with cage 滚动轴承.带保持架双列向心止推球轴承 |
| 10. | Rolling bearings - double row cylindrical roller bearings - boundary dimensions 滚动轴承双列圆柱滚子轴承外形尺寸 |