Rollein.禄来福来反光照相机[商标名]
rolln.卷;滚动;名单;压路机;颤音;圆形物,面包卷v.摇摆;滚;绕;转动;展开
rolled edge deformity卷边变形
roll grinding machine辊式碾碎机,辊子磨床,滚筒研磨机,轧辊磨床
rolling straightening辊式矫直
rolling mill rigidity轧机刚度
rolling smoke curtain移动烟幕
rolling cylinder gate滚动式圆筒闸门
rolling contact joint滚动摩擦接合
Rolling with laughter笑得前仰后合
roll peripheral speed辊轴圆周速度
rolling circumference滚动圆周