Ovolysin
[医] 溶卵白素
🗣️ 情景例句
I can never get ahead at my job.
我总是不能出人头地。
Rest breeds rust.
停止须生锈。
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。