Presets
v. 预先布置( preset的第三人称单数 ); 事先调整; 预先决定; 事先安排
🗣️ 情景例句
Between the woods and frozen lake
就在林子和冰湖之间
I've got to be going now, Good-bye.
我得走了，再见。
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。