Vacustat
真空计
🗣️ 情景例句
How did you get to know her?
你是怎么认识她的？
No, the two sides are still in conflict.
没有,双方仍然有矛盾。
We'd like to clear up some points connected with the technical part of the contract.
我们希望搞清楚有关合同中技术方面的几个问题。