你可能感兴趣的试题
explain the differences in the working of a heat pump when the outdoor temperature changes contrast the heating and the cooling modes of heat pumps describe heat pumps, their use, and factors affecting their use advocate the more widespread use of heat pumps
mechanical energy to kinetic energy to potential energy mechanical energy to potential energy to kinetic energy potential energy to mechanical energy to kinetic energy kinetic energy to mechanical energy to potential energy
explain the differences in the working of a heat pump when the out-door temperature changes contrast the heating and the cooling modes of heat pumps describe heat pumps, their use, and {actors affecting their use advocate the more widespread use of heat pumps
measure accurately the flow rate of the refrigerant-mass at that point compress and heat the refrigerant vapor bring about the evaporation and cooling of refrigerant exchange heat between the refrigerant and the air at that point
measure accurately the flow rate of the refrigerant mass at that point compress and heat the refrigerant vapor bring about the evaporation and cooling of refrigerant exchange heat between the refrigerant and the air at that point
heating is least essential electricity rates are lowest its compressor runs the fastest outdoor temperatures hold steady
物质流动和能量流动都是循环的 物质的流动是不循环的，能量的流动也是不循环的 物质的流动是循环的，能量的流动是单向不循环的 物质的流动是单向不循环的，能量的流动是循环的
heating is least essential electricity rates are lowest its compressor runs the fastest outdoor temperatures hold steady
In order for a fluid to be pumped, a fluid must be made to flow A substance must be cold in order for it to be pumped The kinetic energy imparted by the pump can be used to force a liquid through a hydraulicsystem A pump must receive its energy from an external source
能量流动是多向的； 能量流动是单向的； 能量循环流动； 能量流动伴随着物质循环。
Do not make exaggerated claims about the products you are trying to promote Focus your advertising campaign on vague analogies and veiled implications instead of on facts Do not use facts in your advertising that will strain the prospective client’s ability’ to believe Do not assume in your advertising that the prospective clients know even the most elementary scientific principles
measure accurately the flow rate of the refrigerant-mass at that point compress and heat the refrigerant vapor bring about the evaporation and cooling of refrigerant exchange heat between the refrigerant and the air at that point
carefully qualifying the meaning o{ that principle pointing out a factual error in the statement that gives rise to this question supplying additional relevant facts denying the relevance of that principle to heat pumps.
cause for regret sign of premature defeatism welcome challenge focus for an educational campaign
能量是单向流动的 能量的源头是阳光 能量是循环流动的 能量流动是逐级递减的
heating is least essential electricity rates are lowest its compressor runs the fastest outdoor temperatures hold steady
heating is least essential electricity rates are lowest its compressor runs the fastest outdoor temperatures hold steady
cause for regret sign of premature defeatism welcome challenge focus for an educational campaign
物质流动和能量流动都是循环的 物质的流动是不循环的，能量的流动也是不循环的 物质的流动是循环的，能量的流动是单向的不循环的 物质的流动是单向的不循环的，能量的流动是循环的
explain the differences in the working of a heat pump when the outdoor temperature changes contrast the heating and the cooling modes of heat pumps describe heat pumps, their use, and factors affecting their use advocate the more widespread use of heat pumps
湘公网安备 43130202000226号