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当采煤机上那两扇齿轮似的割煤刀转动着靠上厚厚的煤层时,闪亮的乌金唰唰滚落,煤尘与水雾飞出了很远很远。
When the shearer on the coal cutter two gear-like cutter turning thick coal seam, shiny black gold rolling, coal dust and water mist fly far far.