Packed reaction column
[化] 填充反应柱
🧩 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
What did you tell Grandpa?
那你是如何对爷爷说的呢？
I asked him to clean it for me, but he wouldn't.
我请他帮我清理，但是他不肯。
We don't have enough material on hand to take care of this.
我们现在手边的存量不够你的订单。