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ring seal
agric. 环封
dril. 密封圈
oil 边缘密封; 环形密封
tech. 密封环; 环状密封; 环形止水; 环的封闭
ring seal
: 172 phrases in 23 subjects
Agriculture1
Architecture2
Automobiles12
Aviation2
Chemistry4
Compressors18
Computer numerical control2
Ecology1
Electric machinery5
Electronics12
Engineering geology4
General1
Hydroelectric power stations7
Mechanics3
Metallurgy9
Nuclear and fusion power2
Oil / petroleum13
Rail transport2
Shipbuilding1
Space7
Technology60
Textile industry2
Water resources2