rubberdam橡皮障
rubbern.橡胶;橡皮;橡胶制品adj.橡胶的
rubber-metal composite金属橡胶复合密封材料
rubber-flight elevator橡皮刮板式升运器
Rubber plastics blending橡塑共混
rubber membrane dialysis橡胶膜渗析
rubber- covered roller胶辊
rubber torsional bearing橡胶扭力轴承
rubber ball for children儿童胶球
rubber faced steel plate胶面钢板
rubber roll paddy huller胶辊砻谷机
rubberized cement-soil橡胶水泥土