Biomass-pyrolysis has proved itself to be a new type of biomass-energy utilization technique which transforms biomass materials of low energy density into liquid products of high energy density.
生物质热解液化技术是把低能量密度生物质转化为高能量密度液体产物的一种新型生物质能利用技术。
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。
The solar energy lift type airer has the advantages of: simple structure, convenient use, utilization of solar energy, cleanness and environmental protection.
本发明的提供的太阳能升降式晾衣架优点在于：结构简单，使用方便，利用太阳能，清洁环保。
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