<i id="bd7hf"></i>

    <font id="bd7hf"></font>

      <i id="bd7hf"></i>
      <delect id="bd7hf"><option id="bd7hf"></option></delect>

        <font id="bd7hf"><del id="bd7hf"><track id="bd7hf"></track></del></font>

            <object id="bd7hf"></object>
              花旗松方木
              花旗松建筑工程方木
              花旗松建筑工程方木

              4、 終含水率不均勻,有殘余力;

              5、 材堆頂部未加配重壓塊。

              翹曲(一)、產生的原因

              1、 主要由于干燥過程中鋸材干縮不一致造成板面扭翹不平;

              <i id="bd7hf"></i>

                <font id="bd7hf"></font>

                  <i id="bd7hf"></i>
                  <delect id="bd7hf"><option id="bd7hf"></option></delect>

                    <font id="bd7hf"><del id="bd7hf"><track id="bd7hf"></track></del></font>

                        <object id="bd7hf"></object>
                          久久久91人妻无码精品蜜桃HD