Matsalar kayan aiki na fil

kayan mu shine 40r, kuma katin rawaya an yi shi da rawaya na roba
Bambance-bambancen fil mai kyau da bambancin fil: bad fil dan kawai shigar da hawan katin wurin zama, pin dan da dou hakori ba su tono 'yan felu fil don sauke ko zama m, a gaskiya wannan shi ne katin rawaya na ingancin mugun dalili, lokacin shigar da katin dan rawaya mara kyau, wannan ba dalili bane na wucin gadi.Dalilin shine cewa katin rawaya ba shi da isasshen hawan sama, a cikin ramin fil a cikin katin kujerar hakori rawaya yana raguwa, a gaskiya ma, lokacin digging ciki na fil din zai motsa, bai yi 'yan kwanaki ba zai motsa fil da rami wurin zama na hakori saboda lalacewa tare da sanya rami ya kara niƙa, don haka wannan kujerar haƙori ba ta da nisa daga tarkace. A daya hannun, tare da kyau Huang Yongyuan fil a cikin katin yana da ƙarfi, ba zai bayyana yanayin da aka ambata a sama ba, dangane da launi na fil, a zahiri, komai fil a cikin tsarin samarwa, wane launi kuke son yin shine wane launi, shi. Hakanan ba shi da alaƙa da ingancin ainihin kayan abu mara kyau, launi yana da kyau kuma menene amfani?

Ga fitilun mu