滚轮衬套

roller mangle having moving flat table

rice leaf roller, rice leaf folder, {Cnaphalocrocis medinalis} Guenè)

roller-type tape dispenser for Tesa adhesive tape

printing roller turning and roll-finishing machine

roller-type venier calliper

single-slat roller shutter

farmyard manure spreader with horizontal roller

superfinishing machine for conical roller