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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... 処理後的塊狀天然焦是一種廉價、優(yōu)質(zhì)的潔淨型燃料，作爲工業(yè)、民用原煤的替代品使用，能大大降低目前的菸煤型汙染。