Oil return is a key problem for stable and reliable operation of compressor parallel operation system.
压缩机并联运行系统的稳定可靠运行，回油问题是关键。
The return sewage of oil refining using in system of circulating cooling water as supplying water was studied.
对炼油污水作为循环冷却水的补充水回用于循环冷却水系统进行了研究。
The paper introduces the theory of return oil cooling mechanism for the dual pump converging hydraulic system of loaders.
介绍了装载机双泵合流液压系统的回油冷却机构的原理。
Return oil is equally divided, and uniform crankcase pressure and oil level are purposely kept in equilibration parallel system.
油气平衡式并联技术平均分配回油，并强调气压和油位的平衡。
Open system is the pump suction from the tank, the oil through a variety of control valves, the drive hydraulic actuators, valve oil return back for another fuel tank.
开式系统是指液压泵从油箱吸油，油经各种控制阀后，驱动液压执行元件，回油再经过换向阀回油箱。
Open system is the pump suction from the tank, the oil through a variety of control valves, the drive hydraulic actuators, valve oil return back for another fuel tank.
开式系统是指液压泵从油箱吸油，油经各种控制阀后，驱动液压执行元件，回油再经过换向阀回油箱。
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