2009年春,一套由800塊太陽(yáng)能集熱板組成的“營(yíng)房聚光太陽(yáng)能采暖系統(tǒng)” 落戶西藏日喀則空軍某場(chǎng)站。這套系統(tǒng)每天能供暖8至10個(gè)小時(shí),節(jié)電4800度左右。中新社發(fā) 郭超英 攝
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