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水位高程 |
water elevation : 36 phrases in 11 subjects |
Bridge construction | 6 |
Construction | 1 |
Desert science | 2 |
Earth sciences | 1 |
Ecology | 1 |
Electronics | 1 |
Engineering geology | 4 |
Hydroelectric power stations | 1 |
Metallurgy | 1 |
Oil / petroleum | 3 |
Technology | 15 |