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bottom surface | |||
area of base | |||
basal area | |||
floor space; area of floor | |||
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floor space | |||
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floor space |
底 面 积: 40 phrases in 11 subjects |
Aviation | 2 |
Bridge construction | 7 |
Ceramics | 1 |
Drilling | 3 |
Earth sciences | 2 |
Metallurgy | 3 |
Nautical | 1 |
Oil / petroleum | 1 |
Shipbuilding | 1 |
Space | 1 |
Technology | 18 |