A.稀硝酸進(jìn)料量與鎂進(jìn)料量體積比 B.濃硝酸鎂進(jìn)料量與稀硝酸進(jìn)料量體積比 C.稀硝酸進(jìn)料量與總進(jìn)料量體積比 D.總進(jìn)料量與稀硝酸進(jìn)料量體積比
A.常壓 B.負(fù)壓 C.加壓 D.1:4~7
A.1:1 B.1:2~5 C.1:1~4 D.1:5~8