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The treated lump cokeite,which is a kind of cleaner fuel with low price and high quality,can reduce the sm... 處理后的塊狀天然焦是一種廉價(jià)、優(yōu)質(zhì)的潔凈型燃料,作為工業(yè)、民用原煤的替代品使用,能大大降低目前的煙煤型污染。