产品适用范围：从自来水公司供水系统中取水的用户。
The scope of products: from the water company in the water supply system users.
另外，粘稠状介质不能适用，而且，特定的产品适用的介质粘度范围相对较窄。
Also, viscous media can not be applied, and that specific product for the medium viscosity range is relatively narrow.
第二章，产品名称，用途及适用范围。
Second chapter, Product names, use and scope of application.
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