以下为句子列表：
英文: As an instance, compared with using aluminum alloy cylinder block, using vermicular iron block can increase the ratio of power/engine weight.
中文: 与采用铝合金缸体相比，采用蠕铁缸体可使发动机的单位质量功率提高。
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英文: The application of vermicular iron in China is earlier than in Europe and American, however, lower limit of vermicularity specified in the present Chinese standard of vermicular iron is relatively lower.
中文: 蠕铁在我国的应用早于欧、美，但我国目前的蠕铁标准对蠕化率的要求尚低于欧美。
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英文: The thermal properties of medium silicon-molybdenum vermicular iron are about three times of that of normal vermicular iron, so it is an ideal material for producing manifold.
中文: 中硅钼蠕铁的抗热疲劳性能为普通蠕铁的3倍，因而是制造排气歧管的理想材料。
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