1。制冷剂R22: R22, ndi mtundu wa kutentha kutentha kwake克瓦语40.8°C, kusungunuka克瓦语madziμR22 ndi kochepa kwambiri, ndi mafuta amchere amasungunuka wina ndi mzake, R22, sichiwotcha kapena kuphulika, kawopsedwe kakang 'ono, Kuthekera kwakusaka克瓦语R22 ndikwamphamvu kwambiri, ndipo kutayikira ndikovuta kupeza.R……
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