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正〔直〕齿齿轮
transp.
straight-cut gear
正齿齿轮
tech.
spur-gear wheel
正 齿 齿轮
:
114 phrases
in 17 subjects
Automobiles
18
Aviation
1
Business
2
Compressors
1
Computer numerical control
2
Construction
1
Electric machinery
2
Hydroelectric power stations
1
Metallurgy
4
Nautical
2
Oil / petroleum
3
Plastics
3
Rail transport
2
Shipbuilding
3
Technology
63
Water resources
1
Wind Energy
5
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