Ceramic tool material is an advanced cutting tool material. Because of its excellent performance and high ratio of property to price, it is in user's good graces.
陶瓷刀具材料是一种先进的切削刀具材料，由于其优良的切削性能和高的性能价格比而受到了人们的青睐。
High performance PTC ceramic material with low resistivity is desired to prepare an over-current limiter for program-controlled telephone exchanger.
程控电话交换机过电流保护元件要求用低电阻率高性能的PT C陶瓷材料来制备。
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