The additional bending moment results in the pulling state of rear back rod of the mast and the conventional bolt connection seems to be very weak.
附加弯矩导致桅杆的后背主弦杆受拉，传统的螺栓连接方法显得薄弱。
2
The relationship between the pulling coefficient and the width of pull contract for rolled piece was derived by means of establishing flow equation during continuous rod rolling.
通过建立线材连轧流量方程，推导出拉钢系数与轧件拉缩宽度的关系式，并借此分析高速线材头尾超差问题。
3
The main shoe-fixing apparatus consists of main mounting base, main shaft, locking tie rod or pulling rope and display.