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pitching works | |||
slope works | |||
slope improvement; slope protection work | |||
slop protection works; slope protection works | |||
bank protection works |
护坡工程 : 14 phrases in 7 subjects |
Desert science | 2 |
Ecology | 1 |
Electronics | 1 |
Engineering geology | 3 |
General | 1 |
Hydroelectric power stations | 2 |
Technology | 4 |