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罗克福德动力系统公司Rockford Powertrain最近又在它的越野车辆动力系统产品系列中投入了两种新型的传动系统：EC系列和ER系列。这两个系列的传动系统都有“可再加润滑剂”relubeable和“免维护”即不需再添润滑剂两种结构形式，可供客户自由选用。免维护传动系统
Rockford Powertrain Rockford Powertrain recently introduced two new drivetrains to its off-road vehicle powertrain product line: the EC Series and the ER Series. Both series of transmission systems have “relubrication” 和relubeable and “maintenance-free” that is no need to add lubricant 两 two kinds of structural forms, for customers to choose freely. Maintenance-free drive system