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
Five.
5号。
Don't you think it's too formal?
你不觉得太正式了吗？
Let's take a look at your price list again.
我再看一次你们的价目表吧。