【单选题】I'm afraid it's not appropriate to turn up at the ceremony _____ jeans and a T-shirt. [ ]
【简答题】Fill in the blank in each sentence with a word or a phrase taken from the box in it's appropriate form. ups and down go through close an account misfortune put... through ...
【简答题】Fill in the blank in each sentence with a word or a phrase taken from the box in it's appropriate form. ups and down go through close an account misfortune put... through ...
【判断题】It's appropriate to call a British man Alan Jones, who is a family lawyer, Lawyer Jones.
【单选题】某一次回风空调系统,已知室内设计温湿度为 26°C、55%,室内冷负荷为100KW,湿负荷为36kg/h,室外空气干、湿球温度为30°C、25°C,送风温差为10°C,用机器露点送风,新风比为30%,求该系统的新风量
【判断题】It's appropriate to call a British man Alan Jones, who is a manager, Manager Jones.
【单选题】某一次回风空调系统,已知室内设计温湿度为 26°C、55%,室内冷负荷为100KW,湿负荷为36kg/h,室外空气干、湿球温度为30°C、25°C,送风温差为10°C,用机器露点送风,新风比为30%,求该系统的新风负荷
【单选题】某一次回风空调系统,已知室内设计温湿度为 26°C、55%,室内冷负荷为100KW,湿负荷为36kg/h,室外空气干、湿球温度为30°C、25°C,送风温差为10°C,用机器露点送风,新风比为30%,求该系统的制冷设备负荷
【单选题】某地大气压力B=101325Pa,某车间工艺性空调设带水冷式表冷器的一次回风系统,取送风温差6°C,冷负荷为170kW,湿负荷为0.017kg/s,室内空气设计参数为:t=23±1°C、相对湿度为55%,已知新回风混合点C的h=53.21kJ/kg,取表冷器的出口相对湿度为90%。 问:表冷器的冷凝水管的管径应为下列哪一项?
【单选题】Match appropriate to it's Chinese meaning