oil-pre ure sender unit 油压传送器

engine oil pre ure gage 发动机机油油压表

Electric oil pre ure gage 电动油压表

oil-pre ure adjusting screw 油压调节螺丝

Engine oil pre ure indicator 发动机机油压力表

Bimetallic oil pre ure indicator 双金属式油压指示器

oil-pre ure pump 油压泵

oil-pre ure pipe 油压管

oil pre ure relay 液压继电器