Welding positioner
[化] 焊接胎架
🧩 词语组成解析
a. 焊的\\n[机] 熔接, 焊接, 锻接
[化] 定位器
🗣️ 情景例句
Mr. Stewart …
Stewart先生……
I can't say for certain off-hand.
我还不能马上说定。
Experiments have proved that children can be instructed in swimming at a very early age.
实验证明，儿童在很小的时候就可以开始学习游泳。