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Underground Feeder
tech., abbr.
UF
Underground
:
389 phrases
in 45 subjects
Agriculture
15
Botany
2
British
usage, not spelling
5
Chemistry
1
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30
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1
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82
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1
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7
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8
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1
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13
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12
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1
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21
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1
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1
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44
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1
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4
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1
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2
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1
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2
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2
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4
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27
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1
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4
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1
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13
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1
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15
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2
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1
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1
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5
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5
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9
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28
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3
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4
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