玻璃珠的硬度是指玻璃珠抵抗另一种固体材料深入其内部的能力。玻璃珠的弹性是指其变形难易程度的表征。玻璃珠的硬度和弹性是衡量玻璃珠质量好坏的重要指标。
<dd id='6j6tn'><tbody id='6j6tn'><td id='6j6tn'><optgroup id='6j6tn'><strong id='6j6tn'></strong></optgroup><address id='6j6tn'><ul id='6j6tn'></ul></address><big id='6j6tn'></big></td><table id='6j6tn'></table></tbody><pre id='6j6tn'></pre></dd><span id='6j6tn'><b id='6j6tn'></b></span>
<dfn id='6j6tn'><optgroup id='6j6tn'></optgroup></dfn><tfoot id='6j6tn'><bdo id='6j6tn'><div id='6j6tn'></div><i id='6j6tn'><dt id='6j6tn'></dt></i></bdo></tfoot>
<ul id='6j6tn'></ul>
<fieldset id='6j6tn'></fieldset>
电话: 
传真: 
邮箱: 
地址: 
语言