Welding arc voltage
[化] 焊弧電壓
?? 詞語組成解析
a. 焊的\\n[機(jī)] 熔接, 焊接, 鍛接
arc
[ɑ:k]
n. 綜合癥狀;弧（度）;天穹;電弧，弧光。;
vi. 形成拱狀物;循弧線行進(jìn);
abbr. American Red Cross. 美國紅十字會(huì);
??? 情景例句
That's very nice of you.
你真是太好了。
Other men live to eat, while I eat to live.
別人為食而生活，我為生活而食。
Then she touched me lightly on my arm and made me burst into laughter.
然后她輕輕地觸摸我的手臂，使我哈哈大笑。