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汉语拼音：yìng shuǐ

含可溶性钙盐、镁盐较多的水。如某些井水、河水、海水等。供给锅炉及某些工业使用前，需先软化。

• Hard water furs the kettle.

  硬水使壶生水垢.

• Hard water furred the kettle.

  硬水使水壶生了垢.

• Hard water which can be softened by adding sodium carbonate is called permanent hard water.

  经过加入碳酸钠能被软化的硬水,称为永硬水.

• Tap water around here is very hard and camellias don't like it.

  这儿的自来水是很硬的硬水,山茶花不喜欢.

• Features: Decontamination, flexibility, sterilization, Qingxiang , phosphate - free anti - static, anti - hard water.

  功能: 去污 、 柔顺 、 杀菌 、 清香 、 无磷、抗静电 、 抗 硬水.

• Hard water and soft water are two different kinds of water.

  硬水和软水是两种不同的水.

• And karst diaspore bauxite deposits belong to bioorganic sedimentary deposits.

  又我国硬水铝石岩溶铝土矿,应属于生物有机质成矿作用的沉积型铝土矿.

• There will be no saturated brine available, resulting in hard water.

  这样就不会有饱和的盐水产生, 最终导致硬水.

• Lateral Attenuation of Aircraft Sound Levels Over an Acoustically Hard Water Surface.

  在声学上硬水表面上方飞机声音强度的侧向衰减.

• It is always the case with hard water.

  硬水就总是这样.

• This Product changes water into soft water.

  此产品可将硬水转化为软水.

• Completely eliminates hard water and fingerprint spotting.

  能完全去除硬水及指纹斑点.

• Home water softeners make use of the ion exchange properties of natural or synthetic zeolite minerals.

  在硬水地区,人们利用天然沸石或人造沸石的性质制作家庭用水软化器.

• Hard water contains high concentrations of minerals and other substances that may provoke allergic reaction.

  因为硬水中含有可能导致过敏反应的高浓度矿物质和其它物质.

• Chemical Stability: For hard water, salt, acid a good stability, case of alkaline hydrolysis is easy.

  化学稳定性: 对硬水 、 盐 、 酸具有良好的稳定性, 遇碱则易水解.