Electrical trench
[化] 电缆沟
🧩 词语组成解析
🗣️ 情景例句
Look before you leap.
想好了再行动。
The watchmaker is near-sighted.
这位钟表匠是个近视眼。
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。