How to regard in the hydraulicactuation system to transmit the energy and the signal actuating medium?
如何看待液压传动系统中传递能量和信号的工作介质？
2
Which conditions can the hydraulic fluid shoulder to be able the normal work? In the hydraulicactuation system, the hydraulic fluid function is mainly effectively and stably the transmission power.
液压油必须负荷哪些条件才能正常工作？在液压传动系统中，液压油的作用主要是有效地和稳定地传动动力。
3
Electric, hydraulic and pneumatic actuation is also available.