• 那些沿着湄公河顺流而下支持两岸农业长达几个世纪肥沃淤泥沉淀物将会锐减

    The flows of fertile sediment that have for centuries sustained farmers along the Mekong's banks will diminish.

    youdao

  • 原料污水处理沉淀物黄河淤泥煤矸石工业炉渣一种组合

    Raw material is sediment of wastewater treatment, namely sludge of the Yellow, one or combination of coal gangue and industrial slag.

    youdao

  • 原料污水处理沉淀物黄河淤泥煤矸石工业炉渣一种组合

    Raw material is sediment of wastewater treatment, namely sludge of the Yellow, one or combination of coal gangue and industrial slag.

    youdao

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