The laws and regulations should be observed.The demands should be satisfied.The pollutions should be prevented.The improvemnets should be done continuously.It is the main taskes to be preventive.The safety comes first.
参考如下： 遵守法规 ovserve laws and regulations满足要求 meet the requirements预防污染 take precautions against pollutions 持续改进 make continuous improvement预防为主,安全第一 put prevention and safety first. 百度教育团队【海纳百川团】为您解答
防止水污染 [词典] water conservation; [例句]第三，为了防止水污染，我们必须阻止那些乱排废水工厂。Third, in order to prevent water pollution, we must stop those indiscriminate row wastewater plant.
哇哇叮咕
