Cleaned
v. （使）清洁( clean的过去式和过去分词 ); 变干净; 除去…的灰尘; 使…干净
🗣️ 情景例句
I just want to be able to make my own decision.
我只想能够自己决定。
Can I stop over on the way?
我在中途可以停吗？
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。