The designed multi-function portable tool car,using design principles of the double jack,permanent magnet sucker and landing gear structure,is a new tool car combining knife block,locking knife block,step drawer. The tool car is a movable car when folded,but it is a tool cabinet when fixed. It is easy to use for engineering and technical personnel.%融合双千斤顶、永磁吸盘、起落架结构等设计原理将刀座、锁刀座、阶梯抽屉相结合设计而成的新型多功能便携式刀具车，固定不动时就是一般使用的刀具柜，折叠后便成为便携可动的刀具车，方便了工程技术人员的使用。
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