Ponena za kusiyana kwakukulu pakati pa fani ya mpweya ndi chowongolera mpweya, ndiye kuti, fani ya fodya imagwiritsa ntchito ukadaulo wa centrifugal m'malo mwaukadaulo wapamwamba, kotero mutha kuwoloka mosavuta momwe mumafunira pomwe chowongolera mpweya sichikanatha. Koma makamaka kuyankhula, wokonda cholakwikacho amasangalala ndi ...
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