... : Nmm215280192825 .75 ,0135861T .75 ,0MMNmm135861MMM2223211td2oy2ox1Tại thiết diện z = l31+l32 : Nmm226960192825 .75 , 07, 15 371 1T .75 ,0MMNmm7,153511MMM2223222td2oy2ox2tính ... Ft3R1xFr3Ft3RoyRoxR1yFr3FrFr011358619 870 51358531 175 72192825 71 ,5 70 192S¬ ®å trôc III k/=2, 07/ 0,85 =2,435 kt/t=1,96/ 0 ,78 = 2,51tra bảng 10.11,ta có : k/=2,535 ... (*) ta đ-ợc : 79 ,150.1, 075 ,8.645,25,3651s , 64, 17 5,4.05,05,4.62,22121s s1= 76 ,11.212111ttssss 3 ,7 0.1,095,18.645,25,3652s , 64, 17 5,4.05,05,4.62,22121s...