water ring primer是什么意思

用法例句

Analysis of important monitoring sections of water environmental condition of Heilong river;

界河黑龙江重点监测断面水环境状况分析

Comparison of several methods on water environment quality assessmewt;

水环境质量评价中几种方法的比较

Research on water environmental problems and pollution protection measures of typical integrated utilizing reservoir——case study of ZhangFeng reservoir;

典型综合利用水库水环境问题及污染控制措施——以张峰水库为例

Analysis and comprehensive treatment of aquatic environment in Poyang Lake;

鄱阳湖水环境分析及综合治理

Reviews on source apportionment of PAHs in aquatic environment;

水环境多环芳烃源解析研究进展

Evaluation of the influence of dredging the navigation tract on the aquatic environment around the Chencun water in the Zhujiang Delta;

珠江三角洲陈村水道航道整治对该区域水环境影响评价