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Sigma KEE - WheelChock
KB Term: 
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
WheelChock
A Device that is designed to keep a Vehicle's Wheels, and thus the vehicle itself, from moving.
Relationships      
Parents 设备 A Device is an Artifact whose purpose is to serve as an instrument in a specific subclass of Process.


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