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我省第一个“北方高寒地区庭院生态农业能源综合利用模式”今年九月三十口已在红光农场张宝华家建成运转一年。在这一年里它由最初单一沼气池逐步发展成为人的住房、暖舍猪圈、厕所、日光
The province’s first “comprehensive utilization of garden eco-agriculture energy in the alpine region of northern China” has been completed and operated for 30 years at the Zhang Baohua home in Hongguang Farm since September 30 this year. During this year it gradually evolved from a single digester to a human shelter, warmth pigsty, toilets, daylight