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公司新闻

  • 04

    01

    2023

    对于煤炭，你了解多少？
           煤是一种固体可燃性矿物质，从煤矿中常可以见到各种植物根、枝、叶化石，由此可以推断，煤是由古代的植物经过长期的复杂的物理和化学变化而形成，是一种不可再生资源。 对于煤炭，你了解多少？ ..
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