重型自卸汽车设计中经常选用三角臂组合式倾卸机构，应用的是铰链四连杆机械运动工作原理。
The moving theory of four bar linkage is often used to analyze the triangular arm unloading mechanism of dump truck.
根据平面四连杆机构原理设计了新型石油套管螺纹检查台。
According to the principle of four bar linkage mechanism, the new style thread inspecting stand for oil tubes is designed.
建立了球形防自转机构的模型，分析了其工作原理，将球形防自转机构简化为平行四连杆机构。
A mechanical mode1 of anti-rotation mechanism with balls was established, and its operation principle is analysed, where the con-figuration of simplified parallel four-connecting rods was employed.
外摆平移式车门的运动原理，相当于平面四连杆机构的运动原理。
The actuating principle of an outward translational swinging door for bus is analogous to the kinematics of a quadric crank mechanism.
介绍平移式后发动机舱门的结构及工作原理，四连杆机构尺寸的确定及动力学校核，以及空气弹簧、门锁的选用等。
Hence, this paper mainly focuses on the dynamic analysis of the two-side four-bar beating-up motion of an air-je.
介绍平移式后发动机舱门的结构及工作原理，四连杆机构尺寸的确定及动力学校核，以及空气弹簧、门锁的选用等。
Hence, this paper mainly focuses on the dynamic analysis of the two-side four-bar beating-up motion of an air-je.
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