A.2hm2~3hm2B.2hm2~4hm2C.3hm2~5hm2D.3hm2~4hm2
A.0.2%B.0.8%C.0.5%D.0.3%
A.17000套~30000套住宅B.17000套~32000套住宅C.15000套~34000套住宅D.15000套~30000套住宅