Rollon罗利翁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roll-a-car hydraulic jack液压落地千斤顶rolling learning-prediction滚动学习-预报Rollback Talk Roll back edits回退编辑搜索结果rolled waterproofing material卷材防水roll balancing counter weight轧辊平衡锤rolling resisance coefficient滚动阻力系数roll-and-scroll technique显示画面滚动Roll-off Discharge Platform驶出运货法卸货平台rolling schedule optimization轧制规程优化Rollett's secondary substance垄作