water-cleaner

常見例句

• If you look at a water filter, you can usually detect small chunks of charcoal inside of them.
  如果你看凈水器一眼，你通常會發(fā)現(xiàn)它們的內(nèi)部通常會有一塊木炭。
• Hard water ismainly caused by calcium and magnesium, which can be removed with a watersoftener.
  硬水主要是因為溶在水里的鈣和鎂，我們可以透過凈水器來除去化們。
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