The performance of the box-type solar collector was investigated experimentally, the cover of which is a high-vacuum plane glass plate with a middle narrow slot.
用窄缝高真空平面玻璃作普通箱式太阳灶的透明盖板，对箱式太阳灶的集热性能进行了实验研究。
It demonstrates that vacuum flat glass can improve the efficiency of the box-type solar energy collector. So it has a good future in the application of box-type solar energy collectors group.
证明真空平板玻璃可改善箱式太阳能集热群的集热效果，对箱式太阳能集热箱中具有良好的应用前景。
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