水质量协会是一个非营利的国际贸易协会，代表着家庭，商业，工业以及小型团体的水处理工业。
The water Quality association is a not-for-profit international trade association representing the household, commercial, industrial, and small community water treatment industry.
水质量协会是一个非营利的国际贸易协会，代表着家庭，商业，工业以及小型团体的水处理工业。
The water Quality association is a not-for-profit international trade association representing the household, commercial, industrial, and small community water treatment industry.
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