描述居住建筑基底面积占居住建筑用地面积比例的是（）
A．居住建筑密度
B．人口净密度
C．人口毛密度
D．平面系数
E．建筑容积率
参考答案：A
You here half an hour earlier. It is a pity you missed the famous star. [ ]
A. must have come
B. might have come
C. Should have come
D. could have come
为什么空冷器固定管箱安装螺丝孔是圆孔，而活动管箱是长圆孔？
