Packed extration column
[化] 填充式萃取塔
🧩 词语组成解析
packed
[pækt]
adj. 充满…的;塞满了…的;
v. 包装(pack的过去式和过去分词);
column
['kɑləm]
n. 纵队，列;圆柱;专栏;
🗣️ 情景例句
We have around 3,000 workers.
大约有3000名职工。
Third, straightforwardness is important, too.
最后坦率也很重要。
Actually, it is more than we need.
事实上，已超出我们所需要的。