SCIENCE AND TECHNOLOGY ENGLIAH FOR MECHANICAL ENGINEERING ADVANTAGES OF HYDRAULIC SYSTEMS What are the reasons for using hydraulic power in heavy-duty industrial, mobile and aircraft designs? Even though pneumatic control systems preceded hydraulic servos, and electrical power is in more widespread use than hydraulic, systems which require high power amplification or which must pack great energy into a small space are almost invariably hydraulic If hydraulic power transmission and amplification were to be compared with pneumatic, electrical and mechanical systems. these are some of the reasons for specifying hydraulic power mplification放大,加强 invariably不变的SCIENCE AND TECHNOLOGY ENGLISH FOR MECHANICAL ENGINEERING ADVANTAGES OF HYDRAULIC SYSTEMS What are the reasons for using hydraulic power in heavy-duty industrial, mobile and aircraft designs? Even though pneumatic control systems preceded hydraulic servos, and electrical power is in more widespread use than hydraulic, systems which require high power amplification or which must pack great energy into a small space are almost invariably hydraulic. If hydraulic power transmission and amplification were to be compared with pneumatic, electrical and mechanical systems, these are some of the reasons for specifying hydraulic power. amplification 放大，加强 invariably 不变的