Community Water System (CWS):A public water system which serves at least 15 service connections used by year-round residents or regularly serves at least 25 year-round residents.
👇 ស្វែងរកឯកសាររៀននិងការងារគ្រប់ប្រភេទនៅទីនេះ៖
👇 ស្វែងរកពាក្យផ្សេងទៀតនៅប្រអប់នេះ៖