Central downcomer
[化] 中心降液管; 中央循环管
🧩 词语组成解析
n. 下水管, 下导管
🗣️ 情景例句
Look before you leap.
想好了再行动。
Not getting the job was a terrible disap-pointment.
得不到那份工作，叫人失望极了。
He sent the journalist two more faxes, but received no reply.
他给记者先后发去两份传真，但对方毫无反应。