單項(xiàng)選擇題
A.5-10B.5-20C.10-30D.10-20
A.0.40B.0.42C.0.45D.0.50
A.5%B.10%C.15%D.20%
A.60%B.65%C.70%D.75%
A.90%B.95%C.100%D.105%
A.30%B.35%C.40%D.45%
A.125B.150C.175D.200
A.300B.320C.350D.380
A.氫氧化鈣B.鈣礬石C.硫鋁酸鈣D.鈣礬石和氫氧化鈣
A.35.5B.40.0C.42.5D.52.5
A.5%B.8%C.10%D.12%