Scheds
(sched 的复数) n. [口]（无线电）固定播送时间
🗣️ 情景例句
Is something bothering you?
有什么事烦你吗？
Any tickets left?
有剩票吗？
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。