采暖度日数 （HDD18）heating degree day based on 18
采暖度日数 （HDD18）heating degree day based on 18
相关考题：
设计计算用采暖期天数，应确定为( )。A．按累年日平均温度低于或等于采暖室外临界温度的总日数确定B．按累年日平均温度稳定低于或等于采暖室外临界温度的总日数确定C．按累年日平均温度高于或等于采暖室外临界温度的总日数确定D．按累年日平均温度稳定高于或等于采暖室外临界温度的总日数确定
下列程序段的执行结果为 a=95 If a ＞ 60 Then degree=1 If a ＞ 70 Then degree=2 If a ＞ 80 Then degree=3 If a ＞ 90 Then degree=4 Print"degree="；degreeA．degree=1B．degree=2C．degree=3D．degree=4
设某城市的供暖度日数(HDD18)为1950℃·d，空调度日数(CDD26)为200℃·d，某住宅需要进行节能综合指标的计算和判定，经计算供暖年耗电量为33.5kW·h/㎡，允许空调年耗电量为( )。A.26.8kW·h/㎡B.30.1kW·h/㎡C.29.OkW·h/㎡D.31.2kW·h/㎡
单选题The flash-evaporator is different with the submerged-tube evaporator in that for the former（）AWater is heated into vapor on heating surfacesBWater is vaporized by pressure differenceCThere are no heating-transfer surfacesDThere are more heating-transfer surfaces
名词解释题阴道清洁度(vaginal cleaning degree)