求翻译：通过对津南区咸水沽镇家房子村农田的一沟渠水重金属含量进行调查、监测，综合分析各个重金属污染情况。根据地表水的功能与用途，按照GB3838—2002《地表水环境质量标准》（V类）评价其重金属含量是否满足相应标准的要求。是什么意思？

Heavy metal content in a ditch on the farmland of the the Jinnan District Xianshuigu town house on Village water investigation, monitoring, and comprehensive analysis of various heavy metal pollution. Gb3838-2002 "of the surface water environment quality standards" (v class) to evaluate the heavy me

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By jinnan district salt water put House village, a ditch of water content of heavy metals in farmland investigation, monitoring, comprehensive analysis of heavy metal pollution. According to the function and use of surface water in accordance with GB3838-2002 of the environmental quality standard fo