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lacunule | |||
fine pore | |||
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small pore |
小孔隙: 27 phrases in 10 subjects |
Agriculture | 2 |
Bridge construction | 2 |
Construction | 1 |
Desert science | 1 |
Explosives and Explosive Ordnance Disposal | 3 |
Geology | 3 |
Geophysics | 1 |
Metallurgy | 1 |
Oil / petroleum | 6 |
Technology | 7 |