桨叶变距拉杆操纵载荷是旋翼设计的重要参数之一。
The pitch link loads of blade is one of the most important parameters in rotor design.
在轮式工业车辆的机械式转向操纵系统中，联系转向器与梯形机构的纵拉杆机构，在构造上属于含有两个球铰和两个圆柱铰的RSSR机构。
The four-bar linkage included in the mechanical steering system of industrial vehicles is composed of the crank of steering gear, longitudinal connecting rod, the arm on kin pin and frame.
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