摘要
彩色覆胶铅球由实心铁芯或铁砂芯包覆内层胶及外层胶组成。
The shot covered with color rubber consisted of solid or sanding core and inner and outer covering rubber. Covering rubber was made of color compounds of adequate elasticity.
出处
《特种橡胶制品》
2001年第4期20-23,29,共5页
Special Purpose Rubber Products
