A.25mm,50mm B.35mm,60mm C.40mm,70mm D.45mm,75mm
A.180 B.90 C.0 D.360
A.黏性越??;塑性越大;牌號(hào)增大 B.黏性越大;塑性越差;牌號(hào)減小 C.黏性不變;塑性不變;牌號(hào)不變 D.黏性不變;塑性變大;牌號(hào)減小