Backing weld(ing)
[化] 打底焊
🧩 词语组成解析
backing
[['bækiŋ]]
n. 后退, 衬背, 后援, 支持者\\n[化] 衬垫
🗣️ 情景例句
Pleased to meet you.
很高兴见到你。
He must needs go whom the devil drives.
势在必行。
Nuts? Delicious! This is the nicest of all!
有果仁？味道很好！这是所有月饼中最好的！