用油泵使油舱内的油因油压差而移动的方法  gravitating

油压波动  oil pressure fluctuation

油压波动排除方法  elimination method of oil pressure fluctuation

电压波动波形  voltage fluctuation waveform

波动原因  reason of fluctuation

低液压油油面  low hydraulic oil level

低液压油油面指示器  low hydraulic oil level indicator

电动油压升降机  motor drive oil lifter

动压油膜轴承  hydrodynamic kelmet

发动机机油油压表  engine oil pressure gage

辅助转向液压油压力  supplemental steering oil pressure

高机油油压  high oil pressure

高压油油流  high pressure oil flow

漏油原因  causes of oil-leakage

纳波原油  nabo crude

气动油压制动器  oleopneumatic brake

润滑油油压  lubrication oil pressure

手动压油泵  manual oil pressure pump

速动油压继电器  quick action oil-pressure relay