字典網>> 英漢字典>> A開頭詞條>>air relief elbow的意思 漢英字典air relief elbow中文翻譯：【化】 放空彎管 air relief elbow相關詞條：air distillation air pressure switch air circuit breaker air operated valve airy-fairy air vent (nozzle) air flow sensor air balance airport concession air packing