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to phrases
net positive head
tech.
净正吸升水头
net positive head
:
43 phrases
in 15 subjects
Aviation
1
Chemistry
2
Earth sciences
4
Electronics
1
Hydroelectric power stations
5
Mechanic engineering
2
Mechanics
4
Metallurgy
1
Oil / petroleum
4
Refrigeration
1
Space
3
Technology
10
Textile industry
2
Thermal engineering
2
Wind Energy
1
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