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阀弹簧 fá tánhuáng
chem. valve spring
阀 弹簧: 119 phrases in 19 subjects
Agriculture1
Architecture1
Armored vehicles1
Automobiles4
Chemistry5
Compressors3
Drilling3
Electronics3
General1
Hydroelectric power stations3
Metallurgy6
Nautical1
Oil / petroleum8
Racing and motorsport1
Rail transport8
Refrigeration4
Shipbuilding5
Space2
Technology59