导游说湖水产生如翡翠般碧绿的颜色是因为在冰河里的石砾，互相磨擦成细如面粉般的石粉(Rock Flour)，随著融冰沉淀湖里或漂浮在水中，光线透过时反射出或蓝或绿的炫丽光彩。
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N very finely powdered rock, produced when rocks are ground together (as along the faces of a moving fault or during the motion of glaciers) and are thus chemically unweathered 岩粉
Using cement and rock flour for sculpture is artist Zhang Baogui's dream.
用水泥和石粉做雕塑，这是张宝贵的梦想。
The deep emerald tone of Lake Louise in Banff National Park is attributed to the "rock flour" that is carried from the flow and trickle of the melted glaciers that stretch above the water.
公园里的路易斯湖因为“岩石粉”而呈现出深祖母绿色。“岩石粉”卷着水面上的冰块顺流而下。
U screw conveyor is suitable for conveying various powder, granulated and small lump materials, such as flour, corn, sand pulverized coal, cement, and all kinds of small pieces of coal and rock, etc.
型螺旋输送机适用于输送各种粉状，粒状及小块状物料，如面粉，谷物，砂土煤粉，水泥，及各类小块的煤和石子等。
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