框架车车架
Frame of lift platform carrier vehicle
汽车修理车间
auto repair shop
motor vehicle repair shop
前车架安装孔
front frame mounting hole
前车架悬挂支撑损坏
front frame suspension tower damage
前车架转向油缸小孔开裂
front frame steer cylinder aperture crack
前悬架车架安装螺栓
front suspension chassis mounting bolt
失效前修理概念
repair-before-failure concept