在分析水下环境压力对水下液压系统产生影响的基础上，说明了对水下设备液压系统进行压力补偿的必要性。
Based on the analysis of influence of underwater ambient pressure upon underwater hydraulic systems, the necessity of pressure compensation for underwater equipments' hydraulic systems is stated.
为了使水下液压系统适应不同深度下的作业要求，在系统中设置压力补偿器，使系统的回油压力与海水压力相等，并随海水深度变化自动调节，从根本上避免了海水压力的影响。
To make it adapt to full ocean depth, a pressure compensator is adopted to balance the pressure inside and outside of the tank, which makes system pressure be established on seawater pressure.
本文介绍了具有四只智能机械手的深潜救生艇（DSRV）水下对接装置及其液压控制系统。
The paper introduces deep submergence rescue vehicle (DSRV) underwater interfacing apparatus, which has four intellectual manipulators, and its hydraulic pressure control system.
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