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The typical BSF is 3 feet high.
（典型的净水器是3尺高）。
youdao
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A BSF can produce several dozen liters of clean water in an hour.
一套BSF系统在一个小时内可以产生几十升清洁的水。
youdao
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A BSF can produce several dozen liters of clean water in an hour.
一套BSF系统在一个小时内可以产生几十升清洁的水。
youdao