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8 天
想辞职不知道怎么说,分享3个万能公式,即体面,又不会伤和气
想辞职不知道怎么说,分享3个万能公式,即体面,又不会伤和气 ...
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JKZC-JD01型高频绝缘材料介电常数及介质损耗测试系统
依据国标GB/T 1409-2006、GB/T 1693-2007、美标ASTM D150以及国际电工委员会IEC60250的规定设计制作。系统提供了绝缘材料的高频介质损耗角正切值(tanδ)和介电常数(ε)自动测量的解决方案。本仪器中测试装置是由平板电容器组成,平板电容器一般用来夹被测样品,配用 ...
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