| 1. | The sprocket adjusted, the engineer called up the gang and the men took their place .
那个齿轮装好了，司机召集大伙，每人各就各位。 |
| 2. | " h " type mill chains , attachments , and sprocket teeth
" h "型碾磨链,附件及链轮齿 |
| 3. | Steel detachable link chains , attachments , and sprockets
钢制活络链附件和链轮 |
| 4. | Crawler bulldozer . bolts for drive sprocket segment
履带式推土机.驱动轮齿块用螺栓 |
| 5. | Hinge type flat top conveyor chains and sprocket teeth
绞接式平台输送机链和链轮齿 |
| 6. | " h " type mill chains , attachments , and sprocket teeth
典型研磨链附件和链轮齿 |
| 7. | Line 3 deco chain path return sprocket failed
3号线印机针链的从动链轮坏了。 |
| 8. | Agricultural roller chains , attachments , and sprockets
农用滚子链附件和链轮 |
| 9. | Inverted tooth silent chains and sprockets ; errata
逆齿无声链和链轮.正误表 |
| 10. | Steel bushed rollersless chains , attachments and sprocket teeth
钢制套筒链附件和链轮 |
