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to phrases
effective height
hydroel.st.
计算高度
tech.
有效深度
wind.
有效高度
effective height
:
30 phrases
in 10 subjects
Air defense
1
Aviation
1
Chemistry
1
Earth sciences
2
Ecology
1
Metallurgy
2
Oil / petroleum
3
Oil processing plants
2
Technology
11
Wind Energy
6
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