7.3 Hydraulic pump units

7.3.1 The electric drive mode is generally adopted for hydraulicpump units of hydraulic hoist, which is composed of hydraulic pumpand motor.7.3.2 The requirement of the hydraulic system design, such aspressure characteristics, volumetric efficiency and se ......（本文共 3244 字 , 4 张图）     [阅读本文]>>