单词	sand up
释义	sand up 用沙填塞(油井等)
随便看	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 let-downs let down someone let-down stream letdown stream let-down system baqs basg batm bays bayw bbbk bbbzd bbcs bbcy bbcz ちゃくせん【着船】ちゃくそうちゃくそうちゃくそう【着想】ちゃくそう【着装】ちゃくそんちゃくそん【嫡孫】ちゃくたいちゃくたい【着帯】ちゃくだつ