英语词汇“instruction on operation and maintenance”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	instruction on operation and maintenance
释义	instruction on operation and maintenance 操作及维修说明书
随便看	let-down letdown coolant letdown drum let down easy letdown flow letdown flow path letdown flowrate let down heat exchanger letdown heat exchanger let-down heat exchanger letdown line letdown line isolation valve let down one's guard let down one's hair letdown orifice letdown pipe letdowns let-downs let down someone let-down stream letdown stream let-down system letdown tank let down the bars let down the bars to jqxw jqxx jqyh jqyk jqyr jqys jqywjqe jqyy jqzd jqzj 魉魊魍魍魉魎魏魏仙爷魏碑魏阙魑