Ringer solution
林格液
🧩 词语组成解析
ringer
['riŋə]
n. 套环，投环;
🗣️ 情景例句
Right. Would you give me room service, please?
好。请接房间服务部好吗？
Do you have a flight to New York departing at about 10 a.m. Next Monday?
你们有下周一大约下午10点起飞到纽约的班机吗？
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。