英语词汇“a class fire door”的翻译、意思、用法、释义-英汉汉英词典

单词	a class fire door
释义	A Class Fire Door甲種防火門機械工程
随便看	operating system dispatcher operating system efficiency operating system environment operating system error isolation operating system facility operating system family operating system file operating system firmware operating system firmware--osf operating system firmware，osf operating system function operating system functions operating system generation operating system implementation language operating system implementation language，osil operating system initialization operating system interface operating system interface--osi operating system interface，osi operating system job control directive operating system job control program operating system kernel operating system language operating system language，osl operating system machine level