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。
Hydraulic fluid 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。
The hydraulic system movement's reliability, the accuracy and the flexibility, are decided to a great extent in the operating fluid choose and use whether reasonably.
液压系统运动的可靠性、准确性和灵活性，在很大程度上取决于工作液体选择与使用是否合理。
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