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1. | The medstones provide on effective seal. |
| 此泥岩提供了有效的封闭。 |
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2. | They provide a seal of approval. |
| 品 牌 意 味 着 一 种 认 同 。 |
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3. | uncomplicated design has segmented retaining ring and mild steel silver plated gasket to aid disassembly and provide |
| (3) 压力密封–结构简单,分段扣环,镀银低碳钢垫圈,有助于拆卸和最大限度的阀帽密封。 |
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4. | There may be slight leakage as the backseat does not provide a drip-tight seal. |
| 现在可以拆卸阀盖。如果后座无法提供无滴漏密封,则会有轻微的泄漏。 |
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5. | Rings provide the needed seal between the piston and the cylinder walls. |
| 环为活塞和气缸壁之间提供了必要的密封。 |
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6. | "The Block and head can not be machined flat and smooth enough to provide an adequate seal. |
| 机器加工并不能使气缸体和气缸盖平整光滑到严丝密缝,这样就要使用气缸垫。 |
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7. | It is equipped with piston rings to provide a good seal between the cylinder wall and piston. |
| 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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8. | Chief, on behalf of the ship, we will re-seal the container and will provide you the re-seal record. |
| 大副,我们将代表船方重新施封,并提供施封记录。 |
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9. | Available in100- unit quantities, these covers fit securely into the disposable cuvette to provide a |
| 这些盖子可以安全地密封我们的通用试管,即使试管跌落或倾倒过来,其中的样品也不会流出。 |
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10. | "Thus, piston rings must be used to provide the necessary seal. |
| 所以活塞环就用来提供必要的密封。活塞环装在活塞的凹槽中。事实上有两种活塞环,气环和油环。 |
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