The Chinese Wolfberry of Zhongning is famous all the world for the fine climate, geographical environment and upriver water quality from the Yellow river.
中宁枸杞驰名中外的品质，一切得益于中宁得天独厚的气候、地理环境及黄河上游的水质。
Application of Hazard Analysis and Critical Control Points (HACCP) to evaluate water quality security of fine drinking water is introduced.
系统介绍了危害分析和关键控制点(HACCP)在评价小区直饮水供水水质安全中的应用。
This paper introduces a JKLQ - 25 fine filter which can be installed in wellhead to improve injection water quality.
文中介绍了JKLQ-25型注水井井口精细过滤器工作原理。
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