YOTCB调速型液力偶合器YOTCB Variable Speed Hydraulic CouplingYOTCB出口调节安装板式箱体调速型液力偶合器
YOTCD调速型液力偶合器YOTCD speed regulating hydraulic couplingYOTCD出口调节对开式箱体调速型液力偶合器
YOTCF调速型液力偶合器YOTCF speed regulating hydraulic couplingYOTCF对开箱体分别支承式调速型液力偶合器