为节约能源,冬季空调系统的室内温度设定应()In order to save energy, the indoor temperature setting of the air conditioning system in winter should()
A、冬天适当调低设定温度 The temperature should be properly adjusted to lower level in winter
B、冬天适当调高设定温度 The temperature should be properly raised to higher level in winter
C、避免采用智能调温设施 The intelligent temperature adjustment facilities should be avoided
D、避免人走关闭空调设施 The closing of air conditioning facilities should be avoided after users leaves