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to phrases
nitrogen-free
[ˌnaɪtrədʒən'friː]
met.
无氮的
nitrogen-free
:
31 phrases
in 16 subjects
Agriculture
6
Animal husbandry
6
Chemistry
2
Desert science
1
Earth sciences
1
Ecology
1
Food service and catering
2
Geology
1
Metallurgy
3
Microbiology
2
Oil / petroleum
1
Oil processing plants
1
Polymers
1
Space
1
Technology
1
Water resources
1
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