辊式翻钢机

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

bale, casc (barrel), wood, roller, stone, vacuum-gripper, two-arm gripper

roller shutter, roller-type grille

ball-and-roller bearing

roller tube technique

pill roller

roller inclination【陶瓷】

double-roller wave generator【机】