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曲轴箱缸体是汽车中最大、·最复杂的金属件,一般由优质合金铸铁制成,以增强其耐磨性。
They are usually made of high-grade cast alloy iron to improve wear characteristics of the cylinder.
youdao
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曲轴箱缸体是汽车中最大、·最复杂的金属件,一般由优质合金铸铁制成,以增强其耐磨性。
They are usually made of high-grade cast alloy iron to improve wear characteristics of the cylinder.
youdao