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| 11. | They are designed to provide a secondary seal in the event the cylinder valve develops leakage through |
| 排气口密封是许多阀门排气口的重要零件。它们是设计用来在钢瓶阀门通过阀座产生泄漏的情况下提供一个二次密封。排气口密封设计得可以安全地承受全部钢瓶压力。 |
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| 12. | There may be a slight leakage, as the metal-to-metal backseating does not provide a drip-tight seal. |
| 现在可以拆卸阀盖。如果金属-对-金属后座没有实现无滴漏密封，则可能会有轻微的泄漏。 |
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| 13. | inspection and investigation into securities companies, and may also require securities companies to provide |
| 第四十四条中国证监会可以对证券公司进行检查和调查，并可以要求证券公司提供、制或者封存有关文件、册、表、证和其他资料。 |
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| 14. | It is equipped with piston rings to provide a good seal between the cylinder wall and piston. |
| 实质上活塞是一个在气缸中上下移动的圓筒状的塞子。上面装有活塞环,从而使活塞和气缸壁之间具有良好的密封性。 |
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| 15. | mating fits on the motor frame shall have rabbet joints with large overlap as well as o-ring seals to provide |
| 电机机架上的所有配套件都应该有较大的重叠部分的插孔或槽口,和O形环密封一样,也要具备防渗不透水功能。 |
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| 16. | There may be slight leakage, as the metal-to-metal backseating does not provide a drip-tight seal. |
| 现在可以拆卸阀门的阀盖。当金属-对-金属后座无法提供无滴漏密封时，可能会有点泄漏。 |
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