相关例句

• The sewages from the factories are seriously polluting the river. (工厂的污水正在严重污染这条河流)
• Proper treatment of sewages is crucial for environmental protection. (污水的妥善处理对环境保护至关重要)
• They are researching new methods to deal with the sewages. (他们正在研究处理污水的新方法)
• The sewages contain a lot of harmful substances. (污水含有很多有害物质)
• The system is designed to purify the sewages. (这个系统是用来净化污水的)
• Sewages should be disposed of in an environmentally - friendly way. (污水应该以环保的方式被处理)
• The sewages are flowing into the sewage treatment plant. (污水正流入污水处理厂)
• The smell of the sewages is very unpleasant. (污水的气味非常难闻)
• Some sewages are difficult to be treated. (一些污水很难被处理)
• The quality of the water is affected by the sewages. (水质受到污水的影响)