Subtemplate
子样板
🗣️ 情景例句
Nice to meet you, Alexandra.
很高兴见到你， Alexandra。
My parents got married in 1
我父母1954年结婚的。
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。