| 41. | The machine must be checked weekly. |
| 这机器必须每星期检查一次。
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| 42. | This machine works by electricity. |
| 这台机器是电动的。
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| 43. | This machine is worked by electricity. |
| 这台机器是电动的。
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| 44. | This machine isn't working; get a mechanic to see to it. |
| 这台机器坏了,找技工来修理一下吧。
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| 45. | The machine is quite simple to use. |
| 这机器使用很简便。
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| 46. | He stopped the machine and left the room. |
| 他停了机器,离开了房间。
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| 47. | Ensure the guard is in place before operating the machine . |
| 将防护罩确实放好后再开机器。
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| 48. | The machine snarled the material up. |
| 机器把材料搅在一起了。
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| 49. | The machine has an enormous advantage in that it is equipped with an automatic control system. |
| 这个及其因装有自动控制系统而具有很大的优越性。
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| 50. | Exposure to the rain has spoiled this machine . |
| 这部机器受雨淋而损坏了。
|