pk10牛牛注册平台沉头内六角螺丝和普通内六角螺
栏目:六角螺丝 发布时间:2019-09-26 11:47
也可直接点“搜索资料”搜索整个问题   沉头内六角螺丝和普通内六角螺丝的区别主要表现在螺丝头的结构上面。沉头内六角螺丝的螺丝头为圆锥形的,pk10牛牛注册网址安装之后,pk10牛牛注册网址pk10牛牛注册网址pk10牛牛注册平台螺丝头可以馅入安装面,以保证安装面的平整。而普通内六角螺丝的螺丝头为圆柱形,pk10牛牛注册网址安装之后,pk10牛牛注册网址螺丝头是突出在安装面之上的

相关推荐:



服务热线
4008-888-888

  • <tr id='vV32yP'><strong id='vV32yP'></strong><small id='vV32yP'></small><button id='vV32yP'></button><li id='vV32yP'><noscript id='vV32yP'><big id='vV32yP'></big><dt id='vV32yP'></dt></noscript></li></tr><ol id='vV32yP'><option id='vV32yP'><table id='vV32yP'><blockquote id='vV32yP'><tbody id='vV32yP'></tbody></blockquote></table></option></ol><u id='vV32yP'></u><kbd id='vV32yP'><kbd id='vV32yP'></kbd></kbd>

    <code id='vV32yP'><strong id='vV32yP'></strong></code>

    <fieldset id='vV32yP'></fieldset>
          <span id='vV32yP'></span>

              <ins id='vV32yP'></ins>
              <acronym id='vV32yP'><em id='vV32yP'></em><td id='vV32yP'><div id='vV32yP'></div></td></acronym><address id='vV32yP'><big id='vV32yP'><big id='vV32yP'></big><legend id='vV32yP'></legend></big></address>

              <i id='vV32yP'><div id='vV32yP'><ins id='vV32yP'></ins></div></i>
              <i id='vV32yP'></i>
            1. <dl id='vV32yP'></dl>
              1. <blockquote id='vV32yP'><q id='vV32yP'><noscript id='vV32yP'></noscript><dt id='vV32yP'></dt></q></blockquote><noframes id='vV32yP'><i id='vV32yP'></i>