单项选择题对于较厚钢板,常用的埋弧焊种类是( )。 A. 手工焊封底埋弧焊 B. 悬空焊 C. 多层埋弧焊
单项选择题I gave him a 'wish you were dead' look and stampeded straight to my room. Which is the closest synonym of the word stampeded ?A. staggeredB. walkedC. stumbledD. rushed
