不同标准体系中结构用规格材目测分级规则的比较
江京辉1,吕建雄1*,任海青1,朱长庆2
Comparison of visual grading rules for structural lumber in different standards
JIANG Jinghui1, L Jianxiong1*, REN Haiqing1, ZHU Changqing2
南京林业大学学报(自然科学版)
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2009, (06): 25
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DOI: 10.3969/j.jssn.1000-2006.2009.06.006