Hargarten
[地名] [德国] 哈尔加滕
🗣️ 情景例句
Riverdale High School
Riverdale高中
Thank you for your favour.
谢谢你的爱护。
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。