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Kuwongolera tsiku ndi tsiku kwa crane
1.Kuyendera tsiku ndi tsiku.Dalaivala ali ndi udindo wokonza zinthu zomwe zimachitika nthawi zonse, makamaka kuyeretsa, kuthira mafuta a ziwalo zopatsirana, kusintha ndi kumangirira.Yesani kukhudzika ndi kudalirika kwa chipangizo chachitetezo pogwiritsa ntchito, ndi moni...Werengani zambiri -
Gulu, kuchuluka kwa ntchito ndi magawo oyambira a makina okweza
Makhalidwe ogwirira ntchito a crane ndikuyenda kwapakatikati, ndiko kuti, njira zofananira zobweza, kunyamula ndi kutsitsa mumayendedwe ogwirira ntchito mosinthana.Dongosolo lililonse limakhala likugwira ntchito poyambira, mabuleki ndi kuthamanga mu ...Werengani zambiri -
Chiyambi cha chitukuko cha crane
Mu 10 BC, mmisiri wakale wachiroma Vitruvius anafotokoza makina onyamulira m'buku lake la zomangamanga.Makinawa ali ndi mlongoti, pamwamba pa mtengowo amakhala ndi pulley, malo a mast amakhazikika ndi chingwe chokoka, ndipo chingwe chodutsa pa pulley ndi ...Werengani zambiri
