单项选择题
A.GB50204-2002 B.GB50010-2002 C.JGJ/T8-97 D.GB50026—93
A.DBJ20-6-90 B.DBJ14-030-2004 C.GB/T50315-2000 D.DBJ14-031-2004
A.150,100,75 B.100,75,50 C.200,150,100 D.200,100,75