Catalyst-packed column
[建] 催化剂填充塔
🧩 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
Let sleeping dogs lie.
别招惹麻烦。
Two or three of them look familiar.
我认识他们中的两三个。
The news that the leader will come here is not true.
头儿要来的消息不可靠。