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