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润滑环 rùnhuá huán
chem. latern; laternring
met. drip ring
nautic., tech. lubrication ring
oil oiling ring
tech. lubricating ring; lantern; lantern ring
润 滑环
: 98 phrases in 16 subjects
Automobiles11
Chemistry2
Compressors6
Drilling1
Electric machinery4
Electronics2
General1
Mechanic engineering2
Metallurgy9
Nautical1
Oil / petroleum6
Plastics1
Shipbuilding1
Space1
Technology49
Wind Energy1