| |||
fluid film | |||
oil film | |||
lubricant film | |||
lubricating oil film | |||
lubricating film | |||
film of lubricant | |||
oil-bound film |
润 滑油膜 : 29 phrases in 12 subjects |
Agriculture | 1 |
Automobiles | 3 |
Aviation | 1 |
Compressors | 2 |
Electric machinery | 2 |
Electronics | 1 |
Metallurgy | 4 |
Oil / petroleum | 2 |
Rail transport | 1 |
Shipbuilding | 1 |
Space | 3 |
Technology | 8 |