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河口 |
river mouth : 48 phrases in 11 subjects |
Architecture | 1 |
Bridge construction | 2 |
Desert science | 2 |
Earth sciences | 1 |
Engineering geology | 2 |
General | 1 |
Geology | 1 |
Hydroelectric power stations | 4 |
Oil / petroleum | 1 |
Technology | 32 |
Water resources | 1 |