单词	做桶頭之物料
释义	同Heading
随便看	gas equation gas equipotential surface gaser gases gases attenuation gas escape valve gases dissolved under pressure gases exchange between ocean gases-- flue gases-- stack gases， fission gases， fission(-product) gases， flue gases， stack gas etching gas-ether anesthesia gasetron gas evolution gas evolving circuit breaker gas evolving circuit-breaker gas evolving liquid gas-evolving liquid gas evolving switch gas-evolving switch gas exchange