Contractual revenue
[经] 合同(契约)上的收益
🧩 词语组成解析
a. 契约的\\n[经] 契约的, 契约性的
🗣️ 情景例句
If you say so.
既然你这么说。
It started out to be a beautiful day.
刚开始天气不错。
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。