Fractionationg column
[機(jī)] 分餾塔
?? 詞語(yǔ)組成解析
column
['kɑl?m]
n. 縱隊(duì)，列;圓柱;專欄;
??? 情景例句
What did I do with the rings?
我把戒指放哪兒了？
He has a very distinguished record.
他一生顯赫。
'Hi, Elizabeth,' Nigel answered.
“你好，伊麗莎白，”奈杰爾回答說，