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由东北农学院和黑龙江省农村能源办共同承担的《北方炕连灶的研究》课题于1986年10月底在哈尔滨通过部级鉴定。评阶一铺民用炕灶的好坏优劣,目前国家尚无统一的标准,对一铺民用炕灶热
The subject of “Research on Northern Kang-kao” jointly undertaken by Northeast Agricultural College and Heilongjiang Provincial Rural Energy Office passed ministry-level appraisal in Harbin at the end of October 1986. Appraised as a private shop kang good or bad, there is no unified national standards, a private shop kang stove heat