ICS65.020.01B90LY中华人民共和国林业行业标准LY/T1069-2012代替LY/T1069一2002锯材气干工艺规程Technology rules for air rying sawn timer2012-02-23发布2012-07-01实施国家林业局发布LY/T1069-2012单位为米2.01.31.71.71.3横向通道向通a)层堆式堆积说明:1一材堆:2一材堆组。图1针叶树锯材材堆分组配置图2
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