The position of bearing point is got according to the equal angle of rotation between purlin and Queti,thus its maximum internal force can be obtained.
" It's going to take her head off" ! He screamed. He turned to me and waved toward the ironworker in the shop. " Go make clips to fit those purlins. I don't want you coming near this thing again" .
的存在,根据
点处檩和
山
脑袋咬下
。
