短语词组短语body of roll 辊身body roll angle 车身侧倾角Body roll speed 滚动速度roll body 辊身;轧辊辊身roll body diameter 辊身直径Series roll body conveyance 发明名称roll body length 辊身长度Length of roll body 轧辊身长度hardness of roll body 辊身硬度 返回 body roll