Preurethritis
[医] 前尿道炎
🗣️ 情景例句
If you feel in any way unsatisfied, please just give me a call.
如果你觉得有任何不满意的地方，请给我电话。
Excuse me, please.
对不起。
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。