A.陽臺標高應低于室內樓地面標高; B.泄水管外挑長度不應小于200mm; C.陽臺地面應做排水坡; D.泄水管可用PVC管;
A.墻承式; B.柱承式; C.挑板式; D.挑梁式;
A.80mm; B.100mm; C.120mm; D.180mm;