An additional advantage is that the solar air heater will continue to work for some time after warranty also, and even for more years if it is properly reconditioned.

 
  • 另一個(gè)額外的優(yōu)勢在于,太陽(yáng)能空氣加熱器在保修期滿(mǎn)了之后,仍然可以正常使用一段時(shí)間,甚至,如果得到恰當的維修,可以多用好幾年。
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