The drying stress is the main reason that causes the drying defects.

木材干燥应力是干燥过程中产生干燥缺陷的主要因素。

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Then the visual drying defects were measured in order to analyze the factors influencing the drying quality of small-diameter lumbers.

通过对小径木白桦锯材进行常规干燥试验，检测了锯材干燥后的可见干燥缺陷，分析了影响小径木锯材干燥质量的因素。

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The results of the experiment showed that the differences among the five species are obvious. The drying defects of Lithocarpus glaber were serious and its drying rate was slow;

实验结果表明：这五种阔叶树材干燥特性差异显著，其中椆木干燥缺陷严重，干燥速度缓慢；

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