That needs power, as well as frequent changes of the filter element as the pores fill up with bugs.

这需要消耗电力，而且由于微孔上积满了细菌，滤水器元件也需经常更换。

youdao

That needs power, as well as frequent changes of the filter element as the pores fill up with bugs.

这需要消耗电力，而且由于微孔上积满了细菌，滤水器元件也需经常更换。

youdao