The recovery of hot galvanizing dross was paid more attention along with the decreasing of original raw zinc resource.
随着锌矿原生资源的日益减少，锌渣的回收问题越来越受到人们的重视。
The recovery of hot galvanizing dross was paid more attention along with the decreasing of original raw zinc resource.
随着锌矿原生资源的日益减少，锌渣的回收问题越来越受到人们的重视。
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