Backstep welding
[化] 分段退焊
🧩 词语组成解析
后退
a. 焊的\\n[机] 熔接, 焊接, 锻接
🗣️ 情景例句
I certainly can print the news.
我当然可以刊出这则新闻。
I'm glad to hear about your graduation.
我很高兴听到你毕业的消息。
Didn't you have a crash?
难说您没有出车祸吗？