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液体润滑 yètǐ rùnhuá
met. fluid lubrication; liquid lubrication
tech. hydrodynamic lubrication; hydrodynamical lubrication
液体 润滑: 23 phrases in 9 subjects
Automobiles2
Electric machinery3
Electronics1
General1
Metallurgy4
Shipbuilding1
Steel production1
Technology9
Textile industry1