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镍铜，易加工，但抗裂性较差。
Copper nickel, good machinability and bad crack resistance.
youdao
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主要分析了粉煤灰品质指标对水泥抗裂性的影响。
In this paper, the effect of fly ash quality on the crack resistance was discussed.
youdao
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主要分析了粉煤灰品质指标对水泥抗裂性的影响。
In this paper, the effect of fly ash quality on the crack resistance was discussed.
youdao