Pre-coating
[化] 预涂层
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
coating
['kəutiŋ]
n. 涂层，覆盖层;（食品上的）面衣，糖衣，涂料;外衣布料上衣料，细呢，花呢;
v. 给…穿上外衣;覆盖;“coat”的现在分词;
🗣️ 情景例句
Which band of College English Test have you passed?
大学英语考试过了几级？
Although men are very different, often they have the same feelings.
人们虽然各自迥然不同，但是都具有相同的感情。
It's a pleasure working with you.
与您合作很愉快。