When the heater is placed in the pot, kettle, etc. , it is placed in the focal spot, and the larger solar radiant energy density can be obtained.
把用热器放在锅、水壶等）放在焦斑处，就可以得到较大的太阳辐射能流密度，也就是说，在单位面积上可以得到较高的太阳辐射功率。
Central hot water system , hanged heating stove , solar water heater , pot-type boiler , hygiene hot water equipment for bathroom and kitchen , heating equipment of sauna and swimming pool, etc.
中央热水系统、 采暖壁挂炉、太阳能热水器、家用热水器、浴室厨房卫生热水设备、桑拿游泳池供热设备等；
The invention provides a solar fish pot. The fish pot comprises a pot frame, a pot net and a net port, wherein the pot frame is made of metal wires and can be axially laminated or expanded;
一种太阳能鱼笼，包括笼框、笼网和网口，所述笼框采用金属线制成并可轴向压叠或伸展；
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