For indoor installations, it is important that the valve be easily accessible to facilitate testing and servicing.

对于室内安装，重要的是要使得阀门容易接近，便于检测和维修。

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For indoor installations, it is important that the valve be easily accessible to facilitate testing and servicing. Do not install in a concealed location.

对于室内安装，重要的是要使得阀门易于进行测试和维修。不要安装在一个隐蔽的位置。

youdao

For indoor installations, it is important that the valve be easily accessible to facilitate testing and servicing. Do not install in a concealed location.

对于室内安装，重要的是要使得阀门易于进行测试和维修。不要安装在一个隐蔽的位置。

youdao