铰接式车架，转弯半径小，机动灵活。
Pin connected main frame, short turning radius, flexible mechanism.
主要特点：奥迪品牌，折叠机制，铰接式车架转向和非典型帧设置。
Main Features: Audi branding, folding mechanism, articulated frame steering and the untypical frame setup.
采用中央铰接式车架，转弯半径小，机动灵活，侧向稳定性好，便于在狭窄场地作业。
Central articulated frame, small turning radius, mobile and flexible, lateral stability, ease of operation in the narrow space.
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