Tallingite
铜氯矾
🗣️ 情景例句
She has no idea that the party is in her honor.
她不知道这个派对是为她办的。
Can you give me a wake-up call?
你能打电话叫醒我吗？
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。