一区(qu)二(er)区(qu)三区(qu)国产_四(si)个熟妇𝕴搡bbbb搡bbbb:
08-15
𒊎
Operating conditions for injection molding of rubber and plastic molds
1. Off mold pressure: In principle, it should be greater than the total pressure of the plastic injection mold, based on no flash.2. Pressure and speed have some of the same contact effects in the mol