两冬一夏沙藏层积处理可以提高播种育苗的效果。
Two winters and one summer stratification can raise seedling emergence rate.
经三种不同的外部条件处理后,使用无损检测设备(FFT)和力学试验机对杉木单板层积材试件静曲强度和弹性模量进行测量。
MOE and MOR of LVL which were made of Douglas-Fir were measured by FFT and loading machine after treated under three different conditions.
经三种不同的外部条件处理后,使用无损检测设备(FFT)和力学试验机对杉木单板层积材试件静曲强度和弹性模量进行测量。
MOE and MOR of LVL which were made of Douglas-Fir were measured by FFT and loading machine after treated under three different conditions.
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