Subsequent chapters cover different types of hydraulic fluids, fluid rating, operating parameters, and how to apply them.
接下来的章节中讨论了不同种类的液压流体，流体定级，操作参数以及使用说明。
2
Hydraulicfluid power. Fluids. Methods for bottle sampling from lines of an operating system.
液压流体动力。流体。从运行系统的管道中采用瓶取样的方法。
3
The hydraulic system movement's reliability, the accuracy and the flexibility, are decided to a great extent in the operatingfluid choose and use whether reasonably.