论文部分内容阅读
“正压合力趋向多点均匀分布的理论”是科学实用的理论（１５００００）黑龙江省情报研究所金正铁（０２２４６３）内蒙古吉文林业局石昌泰，姜凯，兰向阳《林业科学》１９９０年第２６卷第６期刊登的黑龙江省木材采运研究所刘勤等同志撰写的“锯链连接片们磨原因的受力分...
The theory of positive pressure and force tends to be more evenly distributed is a scientific and practical theory (150000) Heilongjiang Provincial Institute of Information JIN Zheng-Tie (022463) Inner Mongolia Ji Wen Forestry Bureau Shichang Tai, Jiang Kai, Lan Xiangyang Forestry Science 1990 26 Volume 6, published in Heilongjiang Province Institute of timber mining Liu Qin and other comrades wrote "Saw chain saw mill grinding force reason points ...