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《起重机械课程设计任务书》

上传者:幸福人生 |  格式:pdf  |  页数:25 |  大小:2970KB

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e document was created with Spire.PDF for .NET.\rßà<=çè>)&N / m m 2 300 120 N / m m 2\rZ5\rì sßàíîïð&300^/znm2 x\ržŸ«¬ñò\r4 žŸ#NIOP\rq1M OP#NI˜‚&QËóde¥¸¹ô&õXOP³)#N;\rq2 #Nö÷Ide\ra = 9 0 I³)#Ns\rP0 = Fa = 79980N\rø¶bcdes\r= ù .So = 79980 x 1.04 = 83179.2N\rusvwde&Nx\rSsyz*+\r3oc#N‚ƒ\rúûsC a > C Q , C Oa > Co , OP#Nüƒ51309\rC„s#Nbc(de&Nx\rCOus#Nbcde&N\r5 ÎÏ#NOP\rq1 OP#N˜‚&OPýþÿ \r02 P`p?\r??\r.\rPo = X 0Fr + Y0Fa =l x 19995 + 2.7 x 0 = 199957V\r6 =  = 'x79980 = 19995N\r° ' 4\rX o `?? 1 \rYo @?? 2.7 \r????Co\rC o = pQ .so =l 9995 xl.04 = 20794.8/V\r\r\nN \rS0`\n !\r(3)"?#$\r% & :C , > C 0 , C 0 a > C 0 , ()*$6210\rCu `??+??N \rCOa`?\nNo

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