井水含砂量
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Sand content of well water
以上为机器翻译结果,长、整句建议使用 人工翻译 。
在大量管井施工及运行调查的基础上,提出了我国新的供水管井井水含砂量标准。
Current situation of well Water sand content standards inside and outside China is outlined here and some differences and arguments for this issue are studied. Based on the great amount o...
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