A.鋁硅比 B.堿比 C.液固比 D.苛性比
A.E=1.645N/α0 B.E=1.645NK/αK C.E=1.645NK(1/αK -1/α0) D.E=1.645NK(1/α0-1/αK )
A.Na20S B.Na20T C.Na20K D.Na20C