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(幸运) fortunately:
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还好: (幸运) fortunately:
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密封性试验 encapsulation test; leakage test
密封投标 sealed bid; sealed tender;
密封换能器 closed transducer;
密封接合器packing maker;
密封接头hermetical seal;
密封接插件 hermetically sealed connector;
密封摩擦 seal friction;
密封敷层 seal coating;
密封材料 encapsulant; packing material; seal material; sealing material; air locking;
密封条sealing strips;
密封棚子 {采矿} closed frame;
密封法兰 sealing flange;
密封注胶 seal pouring;
密封泵 canned pump; leakproof pump; sealed pump;
密封润滑器 seal lubricator;
密封润滑脂 packing grease;
密封源 {核子} sealed source;
密封滑板 drop bar;
密封焊 seal weld;
密封焊接 seal welding; tight weld;
密封焊缝 seal-weld;
密封爆炸 contained explosion;
密封环 ring; junk ring; sealing ring;
密封环盖 sealing ring cap;
密封球 {油工} ball sealer;
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更新时间:2024/11/24 3:24:26