roller

a paint roller.刷漆滚筒

The boats are taken down to the sea on rollers..船只用滚柱移到海里。

roller bearing,滚柱轴承

roller coaster,过山车；云霄飞车；情绪急转突变

roller mill,n. 滚筒辗粉机；滚压机

rubber roller,搓纸轮；橡胶辊筒；橡皮辊子

cylindrical roller,圆柱滚子；（输送机）圆筒形滚柱

tapered roller,圆锥滚子；锥形辊

top roller,支托轮；顶端滚柱

road roller,n. 压路机

roller compacted concrete,碾压混凝土

roller skating,滑旱冰

needle roller,滚针；卷叶虫

roller conveyor,滚筒（柱）式输送机；滚动传送机；辊子输送机

spherical roller,球面滚子

guide roller,导辊；导轮

roller chain,[机]滚子链

roller press,滚压机；液压机

taper roller,锥形滚柱

supporting roller,支承滚柱；支撑轴；随动轮

steel roller,钢辊；钢轮压路机

vibratory roller,振动压路机；震实锟