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
He and my Grandpa both went there.
他和我爷爷都曾在那儿读书。
Compared with the price in the international market, our quotation is quite reasonable.
和国际市场价格相比，我方报价相比较合理。
and then only if we are very original.
就这也需要我们有独创的思想。