多唇往复橡胶密封 multiple lip reciprocating rubber seal

复合橡胶 compounded rubber ; composite rubber

塑料橡胶及复合材料 Plastics Rubber and Composites

复合橡胶衬垫 composite rubber liner

复合橡胶板 Composite rubber plate

橡胶复曲面密封件 rubber toric seal

橡胶复合物 rubber compound

橡胶复曲面环 rubber toric ring

往复运动橡胶密封 reciprocating rubber seal