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Query: version=2010&prod=SolidWorks&lang=chinese-simplified&path=sldworks%2fLegacyHelp%2fSldworks%2fAssem_1%2fShow_Hidden_Components.htm&format=P Help Exp:Exception of type 'System.Web.HttpUnhandledException' was thrown.:: Help Inner Exp:Object reference not set to an instance of an object.