碳化硅陶瓷相比其他三种陶瓷，它的表现在：耐化学腐蚀性好，强度高，硬度
高，耐磨性能好，摩擦系数小，耐温最高。Silicon carbide ceramic
compared to the other three ceramics, its performance:
good chemical resistance, high strength, high hardness,
good wear resistance, low coefficient of friction,
temperature highest |
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