gas-tight
... gas-liquidchromatographyGLC气味色谱法;气液色层分离法 gas-tight气密的;不透气的 gaseity气态 ...
tight
... 不透明物opaque 不透气airtight 不透水impermeable ...
air proof
... 气压供水系统 air pressure water system 不透气 air proof 抽气机,空气泵 air pump ...
hermetically
... hermetic(al)sealing密封 hermetically密封;不透气 hermetization密封;封闭 ...