Priming valve
[化] 起动注水阀
🧩 词语组成解析
n. 装雷管, 装点火药, 起爆剂, 底漆\\n[化] (水泵起动前)充水
valve
[vælv]
n. 阀;真空管;（管乐器的）活栓;（心脏的）瓣膜;
vt. 装阀于;以活门调节;
🗣️ 情景例句
My boss does everything by the book.
我们老板一切照章办事。
He that would eat the kernel must crack the nut.
要把果仁吃，就得碎果壳。
It has four Rolls-Royce Merlin engines, but the group will need to have only three of them rebuilt.
该飞机装装配有4台罗尔斯-罗伊斯的默林发动机，但是他们只需要修复其中的3台。