滚轮式电极 roller electrode

斜棱滚轮电极 bevelled wheel

滚轮电极 circular electrode ; roller electrode ; circular electrode/ welding wheel

单面多极滚焊 series seam welding

翻滚吧北极熊 Roller Polar

滚动电极 roll electrode

极简摇滚 minimalist rock

终极摇滚乐队 Ultimate Band

摇滚之父终极精选 The Very Best Of

滚轮极限载荷 Limiting Track Loads