An outward swinging door has its hinge pins exposed and can be removed by unauthorized persons.
因为外开门的铰链销子暴露在门的外面，容易被非法人士破坏。
The actuating principle of an outward translational swinging door for bus is analogous to the kinematics of a quadric crank mechanism.
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。
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