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person:("jiang jianxin")
Lifting appliance with adjustable hoisting point spacing and crane
Power system and control method of multifunctional hybrid wheel excavator
Integrated shell motor range extender with rear auxiliary support
Power system and control method of multifunctional hybrid mine truck
Three-stage planet row speed reduction non-shaft installation bridge assembly
Two-gear three-stage planetary reduction non-axial bridge
Integrated three-stage speed reduction electric drive axle