A.一臺區(qū)域報警控制器 B.兩臺區(qū)域報警控制器 C.一臺火災報警控制器 D.兩臺火災報警控制器
A.0.7m,1.5m B.0.7m,1.2m C.0.5m,1.5m D.0.5m,1.2m
A.1.0~1.2m B.1.1~1.3m C.1.2~1.4m D.1.3~1.5m