中英▼

  • The porosity of the pierced steel ribbons with electroplated nickel coating of the alkaline accumulators had been studied.

    本文研究了碱性蓄电池中所用的镀镍钢带的孔隙率。

    youdao

  • The porosity of the pierced steel ribbons with electroplated nickel coating of the alkaline accumulators had been studied.

    本文研究了碱性蓄电池中所用的镀镍钢带的孔隙率。

    youdao

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