Kuthamanga kochepa kwa mpweya woponderezedwa kudzakhudza kugwiritsa ntchito makina opangira mchenga, choncho tikakumana ndi vutoli, tifunika kuthana ndi vutoli panthawi yake, kuti titsimikizire bwino ntchito ya zida ndi kugwiritsa ntchito bwino. Mpweya woponderezedwa umawongolera kuthamanga kwa ...
1, Junda chrome corundum ndi alumina ufa monga chopangira chachikulu, chogwirizana ndi chromium oxide, chosungunula ndi ng'anjo yotentha ya arc. 2, mtundu ndi pinki, kuuma ndi koyera corundum ofanana, kulimba ndi apamwamba kuposa corundum woyera. Ma abrasives opangidwa ali ndi mawonekedwe ...
Makina odulira ndege a Junda Water ndi kudula jeti, komwe kumadziwika kuti mpeni wamadzi. Ndi chitukuko cha sayansi ndi teknoloji, njira yozizira iyi yodula idzagwiritsidwa ntchito kumadera ambiri. Pano pali chidule chachidule cha zomwe kudula madzi ndi. water jet kudula princi...