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螺旋环
met.
helical collar
;
spiral collar
oil
spiral ring
tech.
screw collar
螺旋 环
:
65 phrases
in 19 subjects
Agriculture
8
Animal husbandry
2
Automobiles
9
Compressors
2
General
4
Genetics
6
Hydroelectric power stations
1
Life sciences
1
Metallurgy
1
Molecular genetics
7
Nautical
3
Oil / petroleum
3
Plastics
2
Psychology
1
Securities
1
Shipbuilding
3
Sports
1
Technology
9
Textile industry
1
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