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      2017-12-25 14:41:52c

      һС򼚶ȵĸ

      1/΢ף0.074mm/74m

      2Ŀָ1ƽӢ(25.4mm25.4mm)eϵľW۔ĿԽÿ׵ֱԽС˽ĿʾwļںYWͬľĿ͡ס֮gГQ㣺200Ŀ= 0.074mm/74m

      3ȱeָλ|еĿeͨÁˮV۵ȼȵָλO/kgcO/gcĿ]ГQPϵ

      4ͨY(Y)wĩͨ^ijYӵİٷֱһÁĥЧ200ĿD90ʾw^200ĿĺYWͨ^ʞ90%R80(R0.08)<12%ʾw^80m(0.08mm)ĺYWYС12%


      ӲȻĥy׳̶ȵĸ

      1ĪӲȣĪ˹ӲʾVӲȵһN˜1812ɵ‡VWĪ˹(Mohs)Ä۷Fν@ᘿ̄ԇVılÜyõĄ۵ȷʮʾӲλf=2ʾ2ĪӲֵǽ^ӲֵǰӲȵʾֵ

      2ȣָrʯڟoBܳܵͨÿƽ׶ٹ1MPa()=10kg/cm2

      3ϿĥָHGIúĿĥHGIֵĴСӳ˲ͬúɷ۵y׳̶HGIֵԽfһėlͬҎȵúĥƳɷ۵ļԽfͬҎȵúĥƳͬȕrĵԽúĿĥһNcúӲgȺʹPľCcúúrYúVͺͷֲP

      4¹ָurVʯĥy׳̶ȵһNָ˰(Bond)ʾϏԭʼĥ80%ͨ^ĮaƷĆλaĥˮĥϵyˇOӋOxPԭĥԵĜyԇϰNϲĵԭһð¹ָ


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