所述弯棒呈 直角弯曲形状，所述弯棒一端与主杆固定连接，所述弯棒另一端垂直焊接有 一弯棒取销板；
The bent stick is in a right-angle bent shape, one end of the bent stick is fixedly connected with the main rod, and the other end is vertically welded with a pin taking board of the bent stick.
只用拇指和手指，从中间把它弯曲成直角。
Using just thumbs and fingers, bend it in the middle to form a right-angle.
建立了直角坐标系有限变形非线性弹性力学的倒易定理并给出了大挠度弯曲薄板的倒易定理。
Taking a heliostat as example, the paper applies thin plate flexure theory and study regularity of load-deflection curve for reflector plate.
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