单词	depth of rail
释义	depth of rail 钢轨高度
随便看	let daylight into sb let daylight into sb. let daylight into someone let daylight into something let daylight into sth letdown let down let ... down 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 鸣鞭出渭桥鸣鞭电抹；乌丝阑展鸣鸠好作双鸥去昔游非鸥外春沙鸥鹭眠沙鸥鹭苦难亲鸥鹭闲眠鸦啼莺弄鸦翅低从两鬓分信用交货押汇单信用状信用社信用票信用票据信用证信用贷款信皮信皮儿信石