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to phrases
人字齿
rénzìchǐ
auto.
double helical tooth
tech.
double helical gear tooth
;
herringbone gear tooth
wind.
herringbone tooth
人字 齿
:
53 phrases
in 15 subjects
Agriculture
1
Automobiles
5
Chemistry
2
Compressors
1
Drilling
3
Engineering geology
1
Hydroelectric power stations
1
Mechanic engineering
3
Mechanics
1
Metallurgy
5
Oil / petroleum
3
Shipbuilding
2
Steel production
3
Technology
16
Wind Energy
6
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