(1) treatment of RUBBER in general and of natural and synthetic
供给阀胶垫
rubber gasket of feed valve
暂无补充释义。
rubber gasket of feed valve
暂无补充释义。
(1) treatment of RUBBER in general and of natural and synthetic
cis-1,4-polybutadiene rubber
cis-rubber
compound rubber
constant viscosity rubber
crude rubber
styrene-butadiene rubber
rubber dinghy