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1. | The test tube is closed at one end with a hydraulic seal. |
| 试管的一端为水封所封闭。 |
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2. | The medstones provide on effective seal. |
| 此泥岩提供了有效的封闭。 |
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3. | hermetic-seal relay |
| 封闭型继电器 |
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4. | seal-off mercury-arc rectifier |
| 封闭汞弧整流器 |
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5. | transverse seal |
| 横向封闭 |
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6. | Please put your articles in this envelope and seal it. |
| 请把你的东西放入这信封并封闭好。 |
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7. | The seal on the ballot box have is tamper with. |
| 投票箱上的封闭物已被损坏。 |
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8. | semi-seal plug-type fuse |
| 半封闭插入式熔断器 |
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9. | A fitted covering used to seal a well or large pipe. |
| 封闭盖用以封闭井或大管子的盖子 |
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10. | Now turn this thing off, disconnect the power and seal the room. |
| 把那个东西关掉 切断电源 封闭这个房间 |
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