《铁路信号维护规则》对色灯信号机灯泡的端电压是如何规定的?
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If air at 95℃ dry bulb temperature and 50% relative humidity is conditioned to 75℃ dry bulb temperature and 50% relative humidity, it is an example of ().
A. cooling only
B. cooling and humidifying
C. cooling and dehumidifying
D. adiabatic cooling
用电脑测试仪检测混合性皮肤,T区的纹路看不清楚,有油光。
A. 正确
B. 错误