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" .
檩下
木
存在,根据支承点处檩和
,从而计算出檩
伙会把她的脑袋咬下来的！" 他
叫道。他转向我，向
作间里的
手，" 去修剪檩条吧。我不希望你再靠近
