airtight seal
英
美
- 空气密封,气密
双语例句
- Therefore, in the use of the two hemispheres should be to maintain the smooth surface to ensure a good airtight effect.
因此，在使用时应保持两个半球面的光洁，以确保良好的气密效果。 - Absorb the quintessence of European and American energy-saving window technology with high airtight and watertight performance.
吸取欧美节能窗技术之精华，气密水密性能较高。
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