Bayani:

Xinjiang Dou-irin yashi na'ura

Sand Drill: bisa ga hakora da aka sanya za a iya raba shi zuwa cutter hakora drill da kuma cutter hakora drill; Za a iya raba shi zuwa biyu-layer bottom hopper da guda-layer bottom hopper bisa yawan bottom farantin; Ta hanyar buɗe ƙofa yawa za a iya raba zuwa biyu buɗe hopper da guda buɗe hopper; Taper na barrel za a iya raba zuwa Taper barrel drill da kuma kai tsaye barrel drill; By low farantin siffar za a iya raba shi zuwa pot kasa drill da kuma kasa drill. Tsarin da ke sama ya haɗu da juna, tare da canje-canje na ramin iska da ƙofar ƙofar, za a iya haɗuwa da nau'ikan rotary drills. Gabaɗaya, biyu-layered kasa drill amfani da kasa kewayon m, guda-layered kasa ne kawai amfani da m ƙasa kewayon, biyu-ƙofar drill amfani da kasa kewayon m, guda-ƙofar drill ne kawai amfani da babban diamita pebbles da kuma wuya glue.