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润滑
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润滑
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lubrication
润滑
摩擦学(摩擦、磨损和润滑)研究的三大主要内容之一,可改善摩擦副的摩擦状态以降低摩擦阻力,减缓磨损延长使用寿命,保证设备正常运转的技术。
Physics
lubrication
润滑[作用],润滑法
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Dreams of Cyan Chamber
Dreams of Heaven
Dreams of Richly-Decorated Chambers
Dreams of This and Nether Worlds to Caution the World
Dream Talk at the Pine Window
Dreamtime
Dream Weavers—Beijing 2008
dream work
drecursor chemical control
dredge
dredged sludge
dredge engineering survey
dredger
dredger filling area vertical displacement observation
dredger filling engineering survey
dredge the kidney essence qi
dredge-up
dredge-up net fishing
dredging
dredging engineering
dredging engineering of port
dredging of inland waterway
dredging on sea
dredging ship
dredging the Huaihe River
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