例句 /

Air source heat pump water heater is energy-conservation and environmental protection. the optimum design method of thermal capacity was analyzed.

Air source heat pump water heater is energy-conservation and environmental protection. the optimum design method of thermal capacity was analyzed.

摘要空气源热泵热水器具有节能、环保的特点,本文分析了其名义制热量优化设计的选择方法,并以实例加以说明。