“gas seal”的概念、定义、翻译、参考文献-科学参考

单词	gas seal
释义	gas seal [`gas ´sēl] ^ENGINEERING A seal which prevents gas from leaking to or from a machine along a shaft.
随便看	drill point gage drill press drill rod drill runner drill sleeve drill socket drill steel drill stem drill-stem test drill string drill weave Drilonematoidea drip drip cap drip-dry drip edge dripping drop atomization dripstone drive drive chuck drive control drive fit drivehead driveless work station drive light

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