... 20 x35 20 x40 20 x45 20 x45 25 x45 25 x50 24 00 15x35 20 x35 2t)x40 20 x40 20 x45 25 x45 25 x50 25 x50 28 00 15x35 20 x35 20 x40 20 x45 25 x45 25 x50 25 x50 25 x50 320 0 20 x35 20 x40 20 x40 20 x45 25 x50 25 x50 25 x50 25 x55 ... 0,4 2. 5 0,47 2, 2 ,61 2, 8 0,74 v dy (mm) 10 ,2 13.5 1.8 10 17 0,74 2, 2 0,8 2, 8 0,98 21 .3 2. 5 1,16 2, 8 1 ,28 3 .2 1,43 20 26 ,8 2. 5 1,5 2, 8 ớ,66 3 .2 1,86 25 33.5 2, 8 2, 12 3 .2 2,39 2, 91 32 42. 3 2, 8 2, 73 ... i i i I I H 160 160 160 160 160 180 180 180 180 180 20 0 20 0 20 0 20 0 20 0 22 0 22 0 22 0 22 0 22 0 25 0 25 0 25 0 25 0 25 0 28 0 28 0 28 0 320 320 320 6 .2 MT S YấU CU K THUT GIA CễNG G Yờu cu k thiit lỡiỡỡi...