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| 51. | closing movement |
| 关闭动作 |
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| 52. | orderly close down |
| 有序关闭 |
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| 53. | flush closedown |
| 奔流关闭 |
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| 54. | bubble-tight shut-off |
| 气密关闭 |
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| 55. | positive closing |
| 强制关闭 |
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| 56. | close instruction |
| 关闭指令 |
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| 57. | close a theatre |
| 关闭剧院 |
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| 58. | shifter cylinder |
| 关闭气缸 |
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| 59. | close down for disinfection |
| 关闭消毒 |
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| 60. | throw - out of action |
| 停止, 关闭 |
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