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ring gasket
avia. 真空密封圈
mech. 环形垫
met. 衬圈; 垫环; 环形垫片
oil 垫圈
tech. 圆衬垫; 环犬垫圈
ring gasket: 18 phrases in 7 subjects
Architecture1
Automobiles3
Chemistry2
Compressors2
Drilling1
Metallurgy3
Technology6