A.線性膨脹系數(shù) B.比熱 C.熔點(diǎn) D.彈性系數(shù)
A.-17.05mm B.22.78mm C.7.332mm D.7.08mm
A.n=1.502 B.n=1.406 C.n=1.336 D.n=1.376