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为进一步查明自来水管道内壁锈垢形成的微生物原因[1]，我们在检测了新地号街自来水管内壁锈垢及环境水中细菌种类之后，又对市第三水厂实验室中自来水管内壁锈垢及环境水中细菌的种类进行测定。现将结果报告如下。1材料与方法1．1检样以无菌操作方法分别取镀锌管、聚乙烯管和?
In order to further clarify the cause of microbial formation in the inner wall of tap water pipelines [1], after we examined the scale and the bacterial species in the inner wall of tap water pipe of Xintiao St., Scale and environmental bacteria in the water were determined. The results reported below. 1 Materials and Methods 1.1 Sampling Aseptic operation were taken galvanized pipe, polyethylene pipe and?