A.1g B.2~3g C.4~5g D.6~7g E.8~9g
A.K+ B.Na+ C.Mg2+ D.H+ E.Ca2+
A.骨軟骨瘤 B.骨肉瘤 C.骨髓瘤 D.Ewing瘤 E.骨巨細(xì)胞瘤