| 1. | Work done by machines has replaced manual labor . 机器生产已经代替了手工劳作。 |
| 2. | Beds, recessing into walls, are to be serviced by machine from outside . 床能够缩进墙里,可以在外面用机器整理。 |
| 3. | Plastics . preparation of test specimens by machining 塑料制品.机械加工试样制备 |
| 4. | Look ! this is made by hand , not by machine 瞧!这是手工制作的,而不是机器做的。 |
| 5. | We have replaced slave labour with / by machines 我们用机器代替了奴隶式的劳动。 |
| 6. | Most of the work ( digging ) is done by machines 大部分(挖土)工作都由机器进行。 |
| 7. | Work done by machines has replaced manual labour 机器生产已经代替了手工劳作 |
| 8. | They seem to be mass produced by machines 这些鞋看上去是用机器大批量生产的。 |
| 9. | The maximum allowable size varies by machine 。允许使用的最大大小因计算机而异。 |
| 10. | The soldiers severely punished the enemy by machine guns 战士们用机关枪痛击敌人。 |