Shenhai Kuphulika-Umboni
Kusintha kwa batani la Umboni Wophulika
Mabatani otsimikizira kuphulika amagwiritsidwa ntchito kuwongolera makina ndi makina amagetsi m'malo owopsa, kuonetsetsa ntchito popanda kuyatsa mpweya wophulika kapena fumbi.
Mabatani otsimikizira kuphulika amagwiritsidwa ntchito kuwongolera makina ndi makina amagetsi m'malo owopsa, kuonetsetsa ntchito popanda kuyatsa mpweya wophulika kapena fumbi.