Rollet罗列特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 back the given transaction.回滚给定的事务。Rolled compacted concrete cofferdam碾压混凝土围堰roll back-wards in prone position后滚翻在俯卧Rolling Exploration and Development滚动勘探开发roll-type electrostatic separator滚筒型静电分选机Rolling elements of silicon nitride氮化硅滚动体rolled compact concrete gravity dam碾压混凝土重力坝roll recording mechanism of torpedo鱼雷横倾记录装置rolling dynamic wheel deflectometer滚动动力弯沉仪roll film photofluorographic camera卷片荧光(间接)摄影机