A、C3A B、C4AF C、C3S D、C2S
A、C4AF>C3A>C3S>C2S B、C3A>C3S>C4AF>C2S C、C3A>C4AF>C3S>C2S D、C3A>C4AF>C2S>C3S
A、3mm B、10mm C、<13 D、<0.2mm