A.強(qiáng)度 B.抗?jié)B透能力 C.耐磨能力
A.17.0MPa,42.5MPa B.22.0MPa,42.5MPa C.23.0MPa,42.5MPa D.27.0MPa,52.5MPa
A.3.5MPa,6.5MPa B.4.0MPa,6.5MPa C.4.5MPa,7.0MPa D.2.5MPa,5.5MPa