A.直徑102mm,高52mm B.直徑100mm,高51mm C.直徑99mm,高51mm D.直徑103mm,高47mm
A.亞硝酸鹽 B.礦粉 C.鋼纖維 D.粉煤灰
A.20.2 B.22.2 C.18.2 D.19.2