Concentric tube column
[机] 同心管精密蒸馏注
🧩 词语组成解析
column
['kɑləm]
n. 纵队，列;圆柱;专栏;
🗣️ 情景例句
He is now involved in stocks.
他现在热衷于股票。
After the play was over,we all wanted to get something to eat.
在戏完了以后，我们都想要吃一些东西。
We are all very excited and are looking forward to the Olympic Games because they have never been held before in this country.
我们都非常激动，盼望着奥运会的到来，因为在这个国家里还从未举办过奥运会。