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
For some reason, I couldn't get a handle on it.
因为某些原因， 我就是开不了窍。
I'm too excited.
我太兴奋。
On his arrival he was sold to a farmer and worked in the fields.
一到美国，他就被卖给了一个农场主，到地里干活。