Electroslag
a. 电渣焊接法的, 电渣冶炼法的
🗣️ 情景例句
Right.
好的。
I played magic yesterday.
我昨天在玩魔术。
A short while ago, my sister helped me to carry one of my old bookcases up the stairs.
几分钟前，我妹妹帮我把一个旧书橱抬上了楼。