Fillers are most often added to improve tensile strength, and ().

A、Compressive strengthB、CostC、Abrasion resistanceD、Toughness

答案解析

上一篇: 营业场所严禁吸烟，禁止存放易燃易爆物品。()
下一篇: Poly(1,4－cis－butadiene) has a higher Tg than Poly(1,4－trans－butadiene) because the cis －form. reduces the energy barrier for rotation of adjacent bonds.()