- 問題詳情:電動機帶動水平傳送帶以v=2.0m/s勻速運動,A端上方靠近傳送帶漏斗中裝有碎煤,以流量kg/s落到傳送帶上,與傳送帶達共同速度後被運送到B端,在該過程中,下列説法正確的有( )A.電動機應增加的功率為200WB.電動機應增加的功率為100WC.每分鐘煤因與傳送帶摩擦產生熱量6.0...
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- Wehave100KGS,300KGS,800KGSinductionfurnaceasmeltingequipment.TheRandomAttractorofKGSSysteminLatticewithWhiteNoisePLASTICWOVENBAGINNERPLASTICBAGWITHNETWEIGHT25/50KGS.PACKING:INPLASTICBOTTLESTUFFEDWITHPURIFIEDWATER,LESSTHAN2KGSNETWEIGHTFOREACHBOTTLE,TH...
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