Double wall vacuum-insulated keeps water hot while saving energy and money.
双层真空隔热保持热水,同时节省能源和金钱。
A solar water heater system is composed of vacuum solar energy absorber, electrically aided heater and water-saving antifreezing unit.
一种太阳能热水器系统装置,它由真空太阳能吸收器、电辅助加热装置、节水防冻装置构成。
A solar water heater system is composed of vacuum solar energy absorber, electrically aided heater and water-saving antifreezing unit.
一种太阳能热水器系统装置,它由真空太阳能吸收器、电辅助加热装置、节水防冻装置构成。
应用推荐