1 energy collection: solar water heater absorbs heat energy by absorbing material.
能量集合：太阳能热水器通过吸热材料吸收热能。
Present invention relates to a all glass heat tube type vacuum solar heat collection pipe, belongs to solar energy heat utilization technology field.
本发明涉及一种全玻璃热管式真空太阳集热管，属于太阳能热利用技术领域。
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