гидравликийн хууль - SlideShare
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 '1920 ...