Parshall
巴歇尔氏测流量装置
🗣️ 情景例句
What salary would you expect to get?
你希望拿多少薪水？
Did you sleep well last night?
你昨晚睡得好吗？
and we control it by means of the mud which we circulate down the drill pipe.
我们让泥浆顺着钻杆向下循环，用这种方法来控制压力。