The results of the study show that it is feasible to use lead refinery slag as mass-substitute for cement in consolidated filling.

研究结果表明炼铅炉渣可大量替代水泥进行胶结充填。

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Removing trace lead and zinc from nickel electrolyte is an important step in the process of nickel refinery.

镍电解液中除微量铅、锌是镍精炼过程的一个重要步骤。

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Removing trace lead and zinc from nickel electrolyte is an important step in the process of nickel refinery.

镍电解液中除微量铅、锌是镍精炼过程的一个重要步骤。

youdao