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Promoted at the closing stage of large water damage prevention project by the Ministry of Coal Industry the coal industry's provincial government and the working class of coal mines are pursuing projects to prevent major water damage https://t.co/d2OLSiCa8x https://t.co/Nbfe9QyvMa

Promoted at the closing stage of large water damage prevention project by the Ministry of Coal Industry
the coal industry's provincial government and the working class of coal mines are pursuing projects to prevent major water damage…

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Digitalmarketing