Heliarc welding
[化] 氦弧焊
🧩 词语组成解析
氦弧
a. 焊的\\n[机] 熔接, 焊接, 锻接
🗣️ 情景例句
Let's go.
我们走。
I would like you to keep is a secret.
我要你保守秘密。
The characters on the paper were white, and the rest of the paper was black.
纸上的汉字呈白色，其余部分成黑色。