steam escape valve
基本解釋
- 放汽閥
英漢例句
- A valve that was supposed to be open, to allow the heat and steam to escape, was closed.
一個本應(yīng)打開的閥門被關(guān)上了，這個閥門控制著熱量和蒸汽的瀉出。 - The engineer opened the safety valve to allow the steam to escape and so reduce the pressure.
手輪、手柄和扳手傳動以及安全閥、減壓閥、疏水閥省略本代號。