FeS固体润滑复合层
FeS solid lubrication duplex layer
Pb基固体润滑涂层
Pb-base solid lubrication coating
PEP型润滑防锈干膜
Model PEP lubricating and rust-proofing film
摆动联接装置的润滑
oscillating hitch lubrication
泵传动润滑测压点
pump drive lubrication pressure tap
闭式水润滑尾轴尾管装置
closed type water lubricated stern tube
边界油膜润滑
boundary film lubrication