To prevent this from happening, the house's external tap should be fitted with a backflow prevention device.
防止这发生，房子的外部应该符合回流预防设备。
With this approach, of course, I have all the power and productivity of Perl immediately at hand to tap into external data sources, transform content, and so on.
当然，用这个办法，我手头立即拥有了Perl的所有功能和生产，可以“接进”外部数据源、转换内容等。
With this approach, of course, I have all the power and productivity of Perl immediately at hand to tap into external data sources, transform content, and so on.
当然，用这个办法，我手头立即拥有了Perl的所有功能和生产，可以“接进”外部数据源、转换内容等。
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