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  • 4,259 번개달팽이
  • +1 2024-12-05 02:01:56 UTC
  • Converter for Water Hardness
  • iOS 应用: 工具  来自: Gerhard Lentschik
  • 免费   2024-12-04 05:02:01 UTC
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  • 积分: 1 + 0   版本: 2.0   Simplify water hardness unit conversions with our Water Hardness Converter! Total hardness indicates the concentration of alkaline earth ions, primarily calcium and magnesium, in ...
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