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油环润滑 yóuhuán rùnhuá
gen. ring-oiling
compr. oil ring lubrication
met. ring lubrication; ring oiling
tech. oil-ring lubrication; ring lubrication (法); ring-oil
油环润滑 yóuhuán rùnhuá
auto. ring lubrication
油环润滑
: 50 phrases in 12 subjects
Automobiles5
Chemistry2
Compressors2
Drilling1
Electric machinery2
Electronics2
Mechanic engineering2
Metallurgy5
Oil / petroleum4
Plastics1
Shipbuilding1
Technology23