[領域]靜力學

[來源]習題

[題目]the truss supports loads at N，P and R.Determine the axial forces
      in members IL and KM

[瓶頸]看不懂  囧


--
※ 發信站: 批踢踢實業坊(ptt.cc) 
◆ From: 140.117.190.28