water-cleaner

常见例句

• If you look at a water filter, you can usually detect small chunks of charcoal inside of them.
  如果你看净水器一眼，你通常会发现它们的内部通常会有一块木炭。
• Hard water ismainly caused by calcium and magnesium, which can be removed with a watersoftener.
  硬水主要是因为溶在水里的钙和镁，我们可以透过净水器来除去化们。
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