air-proof; air tight,hermetic,gas tight,hermertically sealed,bubble-tight是什么意思


中文翻译气密的

网络释义

1)air-proof; air tight,hermetic,gas tight,hermertically sealed,bubble-tight,气密的2)non-hermetic,不气密的3)Air-tight,气密4)inner liner,气密层5)dry gas seal,干气密封6)gas seals,干气密封

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