Properly designed landscape irrigation systems use isolation valves to protect the rest of your irrigation system if a single component or sprinkler fails.
设计适当的景观灌溉系统使用的隔离阀，以保护您的灌溉系统的其余部分，如果一个组件或喷洒失败。
In order to install landscape irrigation that works, you will need a landscape expert who understands terms like coverage, line pressure, backflow prevention, and isolation.
为了安装景观灌溉的作品，你需要一个景观专家，谁知道像覆盖面，线的压力，回流预防和隔离。
In order to install landscape irrigation that works, you will need a landscape expert who understands terms like coverage, line pressure, backflow prevention, and isolation.
为了安装景观灌溉的作品，你需要一个景观专家，谁知道像覆盖面，线的压力，回流预防和隔离。
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