The paper introduces in detail the working principle and make-up of the hydraulic synchronisation lifting device for lifting a high portal crane and gives an overall analysis of its hydraulic system.
Crane the hydraulic motor ashore for Fabricate ten gudgeon pins.
阀杆断裂了把液压马达吊上岸去修理制作十个活塞销。
3
The paper introduces the 600 t hydraulic lifting gantry crane designed for Iran hydrogenation reactor project, manufactured by China Heavy Machinery Group Company.