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- 下lower
- 下一next
- 区district
- 西北诸河区every river in the northwest
- 下河watering
- 一下(adj) one time; once
- 河river
- 查找下一个find next
- 珠江三角洲网河区水位变化趋势研究The secular trend of water level changes in the network channels of the Zhujiang River Delta
- 下的subaltern
- 下一个next
- 河道变化对珠江三角洲网河区洪水的影响The influence of riverway evolvement on flood of Zhu river delta hydrographic net
- 下页overleaf
- 工作区workaround
- 区号district number
- 下周next week
- 学区school district
- 上下up and down
- 坝下河底刷深degradation below dam
- 红灯区red-light district