Crude fractionating column
[建] 原油分馏油
🧩 词语组成解析
分馏, 精馏
column
['kɑləm]
n. 纵队，列;圆柱;专栏;
🗣️ 情景例句
Does this come with a certificate of authenticity?
这有鉴定证明吗？
I leave the office at 7.
我七点离开办公室。
It was stolen twenty years ago when Dan was a boy of fifteen!
这是20年前丹还是一个15岁的孩子时被人偷走的！