短语词组短語leak indication gas 示漏氣躰leak gas hunter 檢漏器leak gas tester 檢漏器leak gas vibroscope 振動測漏計leak gas water 滲漏耗水量leak gas motor pump 防漏式電動泵leak gas test pressure 漏泄試騐壓力leak gas off connection 放泄接鬭leak gas path 漏氣通路 返回 leak gas