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.
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.
平面四连杆机构的运动轨迹分析是《机械设计》课堂教学中的主要内容之一。
Movement trail analysis of the plane four links mechanism is one of the major contents in the teaching of the machinery devise curriculum.
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