单词	descale
释义	descale /diːˈskeɪl / verb [with object] British Remove deposits of scale from: if you have problems with your heating system, you need to descale it thoroughly... Wash bins, descale taps and plugholes, etc, as required. Tubes supplied with an anodized surface must be descaled at the ends before welding. Follow the manufacturer's instructions for cleaning, disinfecting and descaling. Derivatives descaler /diːˈskeɪlə / noun ... He claimed the chemical was very expensive but admitted he had mistakenly believed he was using a descaler. The element in our last kettle was impervious to descaler and had started to resemble a chilly tundra. In addition, formic acid is an active ingredient in commercial cleaning products, such as descalers, rust removers, and degreasers.
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