主体液压部分设计包括主要液压元件的选型及整个液压系统的搭建。
Hydraulic pressure design includes selecting the component's type and setting up the whole hydraulic pressure system.
打开系统较高点的泄放口，排出收集的空气，直至液体液柱流出现。
Open bleed port at high point in system and vent trapped air until a solid stream of liquid emerges.
系统的设计分为主体液压部分和控制部分。
The design of the systematic hardware is divided into some of hydraulic pressure and electric part.
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