<span id="mc6dm"><u id="mc6dm"></u></span>
<track id="mc6dm"></track>

      1. <bdo id="mc6dm"></bdo>

        1. <menuitem id="mc6dm"><dfn id="mc6dm"><thead id="mc6dm"></thead></dfn></menuitem>
          <tbody id="mc6dm"><div id="mc6dm"><address id="mc6dm"></address></div></tbody>
          <track id="mc6dm"><span id="mc6dm"><em id="mc6dm"></em></span></track>

            <track id="mc6dm"><span id="mc6dm"></span></track>

            金相實驗


                    金相指金屬或合金的各種成分在內部的物理狀態和化學狀態,金相組織是反映金屬金相的具體形態,如馬氏體,奧氏體,鐵素體,珠光體等等。金相實驗指的是一種試驗方式,金屬材料的物理性能和機械性能與其內部組織形態有相關連,借助金相試驗的宏觀組織及微觀組織的觀察判斷金屬材料的各項性能。


            日韩人妻一区二区三区蜜桃视频
            <span id="mc6dm"><u id="mc6dm"></u></span>
            <track id="mc6dm"></track>

                1. <bdo id="mc6dm"></bdo>

                  1. <menuitem id="mc6dm"><dfn id="mc6dm"><thead id="mc6dm"></thead></dfn></menuitem>
                    <tbody id="mc6dm"><div id="mc6dm"><address id="mc6dm"></address></div></tbody>
                    <track id="mc6dm"><span id="mc6dm"><em id="mc6dm"></em></span></track>

                      <track id="mc6dm"><span id="mc6dm"></span></track>