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              花旗松建筑方木

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              彎曲(一)、產生的原因

              1、 主要由于徑向和弦向干縮不一致而產生,尤其是弦向板易發生彎曲;

              2、 被干木材的材堆堆積不正確,隔條厚度不均勻,隔條上下位置不在同一條直線上;

              3、 被干木材厚度不均勻;


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