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degree of drainage | |||
freeness | |||
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freeness |
排水度 : 49 phrases in 12 subjects |
Agriculture | 1 |
Architecture | 1 |
Bridge construction | 4 |
Business | 1 |
Desert science | 1 |
Engineering geology | 8 |
Hydraulics | 1 |
Hydroelectric power stations | 2 |
Metallurgy | 1 |
Shipbuilding | 2 |
Technology | 25 |
Water resources | 2 |