2013-12-17 · 8. Chapter 1. Introduction to Hydraulics History of Hydraulic Technology Hydraulic technology is to give and control power and movement by fluid. There are many fields using the hydraulic system and devices. 2000 years ago : Hydraulic Turbine ''1550 : PASCAL''s law ''1750 : Bernoulli''s Principle ''1882 : Planer reciprocation motion ...
2021-8-31 · Item YHHC-91C is a kind of hose crimping machines and its standard crimping size is from 1/8'''' to 2'''' that can meet most working demands. This type is added with base protective resin gasket not to damage the working surface.… Read More