form dampening roller 着水辊 ; 水辊

brush dampening roller 刷子水辊

alcohol dampening roller 酒精润版辊

molton covered dampening roller 水胶绒辊

plate dampening roller 印版水辊

offset dampening roller washing machine 胶印水辊清洗机

dampening fountain roller 水斗辊 ; 何谓水槽辊