Unconditional delivery
[经] 无条件的交货(交付)
🧩 词语组成解析
🗣️ 情景例句
We'd like to make a reservation for this weekend.
我们想预订一个这个周末的房间。
Who is calling, please?
请问你是谁？
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。