rollinn.转入(返回)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rolling steels轧件rolling cradle辊子吊架roll.ticking轧辊粘结roll up method转上法rolling cutter滚轮钻头roll-up door卷帘门rolling circle基圆,展成圆,滚动圆rollover board[机] 翻模板rolling stocks铁道车辆rolling strata波状层理,波痕交错纹理