行走系 meaning in English

running system

From auto parts system ( including engine systems , engine parts , transmission parts , steering system accessories , brake system parts and accessories , mileage system accessories , electrical instrumentation parts , body and accessories , auto parts manufacturing equipment , horizontal pieces etc . ) to automotive electronic system , automotive heat insulation system , car modification system , car audio system , car maintenance accessories , all within our reach
从汽车配件系统（包含了引擎系统、发动机配件、传动系配件、转向系配件、制动系配件、行走系配件、电器仪表件、车身及附件、汽车配件制造设备、横向件等）到汽车电子系统、汽车隔热系统、汽车改装系统、汽车影音系统、汽车养护用品。