steam escape valve
基本解释
- 放汽阀
英汉例句
- A valve that was supposed to be open, to allow the heat and steam to escape, was closed.
一个本应打开的阀门被关上了，这个阀门控制着热量和蒸汽的泻出。 - The engineer opened the safety valve to allow the steam to escape and so reduce the pressure.
手轮、手柄和扳手传动以及安全阀、减压阀、疏水阀省略本代号。