A.結(jié)構(gòu)B.配方C.工藝D.裝配
A.混煉時(shí)間B.混煉溫度C.混煉重量D.過硫時(shí)間
A.充氣式實(shí)心胎B.壓配式實(shí)心胎C.輻板式實(shí)心胎D.粘結(jié)式實(shí)心胎