Cast iron is so poor in plasticity, the low limits of strength, and poor corrosion resistance, that

中文解释

由于灰口铸铁材料几乎没有塑性、强度极限低、耐腐蚀性差,因此铸铁零部件在使用中容易出现裂纹、锈蚀、磨损或烧蚀等缺陷。

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