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
Can I spray a little on my wrist?
我能在我的手腕上喷一点吗？
Will this flight leave on time?
这班机准时起飞吗？
Ships carry live sheep to markets in he Middle East where they are killed at festivals.
轮船将活羊运送到中东市场供凶日宰杀。