Every day , accordingly , from morning until night , the quays , sluices , and the jetties of the port of toulon were covered with a multitude of idlers and loungers , as they say in paris , whose business consisted in staring at the orion .
Drainage was left to open sewers , canals and sluices , which often proved ineffective .
排水的责任留给了下水道、河渠和水闸这些设施,事实证明效果往往有限。
Drainage was left to open sewers , sluices and canals , none of which was particularly effective when rains came .
排水的任务交给开放式水渠、水闸和运河,下雨时没有一个是特别有效的。
These results are very important for the selection , location , design , security and economy of sluices .
这些对于保证闸址选择、水闸设计的经济性、安全性具有很重要的意义。
Article 22 when building sluices and dams which will have serious effects on fishery resources on the migration routes of fish , shrimp and crabs , the construction units must build fish passages or adopt other remedial measures .