Vacuum manometer
[化] 真空计
🧩 词语组成解析
n. 压力计\\n[化] 流体压强计; U型管测压计
🗣️ 情景例句
That isn't necessary.
这倒不必。
Beware beginnings.
慎始为上。
I don't think anyone knows about this. I said.
“我想没人知道这一情况，”我说。