The performance of the box-type solar collector was investigated experimentally, the cover of which is a high-vacuum plane glassplate 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。
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Finally, the channel-structured glass substrate was sealed to a coverglassplate by using room temperature bonding technique.