His's canal
[医] 希斯氏管, 甲状舌管
🧩 词语组成解析
🗣️ 情景例句
Do you know the phone number of the restaurant?
知道那家餐厅的电话号码吗
Who are you writing to?
你正在写信给谁？
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。