挡油盘    oil retaining disk

回油止回阀    oil return check valve

回油管    oil return pipe

回油阀    oil return valve

石油钻机    oil rig

油环    oil ring

辊式涂油机    oil roll machine

旋转式油泵    oil rotary pump

油橡皮    oil rubber

油胶管    oil rubber hose

油砂    oil sand

回油泵    oil scavenger pump

刮油活塞环    oil scraper piston ring

刮油圈    oil scraper ring

滤油网    oil screen

油洗涤器    oil scrubber

油清洗器    oil scrubbing apparatus

油封    oil seal

油封壳    oil seal housing

封油圈    oil seal ring

油封泵    oil sealed pump

油分离器    oil separator

麻油    oil sesame

油轮    oil ship

油减震器    oil shock absorber

油绸    oil silk

油绸浴帘    oil silk bath curtain

虹吸注油器    oil siphon lubricator

撇油器    oil skimmer

防水油布    oil skin

抛油环    oil slinger

溅油齿轮    oil splashing gear

溅油齿轮总成    oil splashing gear assembly

溅油齿轮衬套    oil splashing gear bushing

溅油齿轮轴    oil splashing gear shaft

喷油润滑器    oil spray lubricator

喷油器    oil sprayer

油枪    oil squirt

油起动器    oil starter

油石    oil stone

储油船    oil storage ship

滤油器    oil strainer