PC plastic raw material features and... 2018-04-19 PC plastic materials are known as polycarbonates. The English name of...
Carbide needle use should pay attention ... 2018-04-19 Carbide is a mixture of metal carbide powder and cobalt. Commonly used metal...
How to detect carbide 2018-04-19 Carbide is a kind of metal. The hardness test can reflect the difference in...
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