Zikafika pamayankho akupopa a mafakitale, mapampu opondera olemera amawonekera chifukwa chodalirika komanso kuchita bwino. Mapampuwa amapangidwa kuti azigwira ntchito zamadzimadzi zambiri, zomwe zimawapangitsa kukhala ofunikira m'njira zosiyanasiyana, kuyambira ulimi mpaka kupanga. Mubulogu iyi, tiwona ubwino wa mapampu a pistoni olemetsa, njira zabwino zogwiritsira ntchito, ndi momwe ukadaulo wotsogola wamapampu awa, monga omwe amapangidwa ku Tianjin, angawongolere ...
Werengani zambiri