Through a series of tests,the effect of heattreatment on the structure and properties of abrasive resistent mottled ductile iron was investigated.
通过一系列试验，研究了热处
口耐磨球铁组织和性能的影响。
Through a series of tests,the effect of heattreatment on the structure and properties of abrasive resistent mottled ductile iron was investigated.
通过一系列试验，研究了热处口耐磨球铁组织和性能的影响。
明：以上例句、词性分类均由互联
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