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
Right here.
就在这 。
Too much spoils, too little is nothing.
过多反坏事，太少不济时。
I have a large collection of CDs.
我收集了很多唱片。