Wopangidwa ndi zitsulo zapamwamba kwambiri, mkono wa ngalandewu umapangidwa kuti uzitha kupirira zovuta komanso kuti ukhale wokhalitsa.Mapangidwe a mkono wa ngalandeyo ndi asayansi ndi omveka, ndipo amatha kugwira ntchito bwino ngakhale pamalo opapatiza a ngalandeyo, ndi kusuntha kosayerekezeka ndi kusinthasintha.
Doosan 500 excavator zida kaiyuanzhichuang ngalande Arm
Anakhazikitsa chofukula cha Doosan 500 chokhala ndi kaiyuanzhichuang Tunnel Boom.Chofukula chapaderachi chapangidwa kuti chiziyenda bwino m'malo ovuta kwambiri, makamaka ma tunnel.Kaiyuanzhichuang Tunnel Arm imamangidwa ndi mbale zachitsulo zapamwamba kwambiri kuti zitsimikizire kulimba komanso kulimba.Dzanjali lili ndi kapangidwe ka sayansi komanso koyenera, ndipo ndi koyenera kuti lizigwira ntchito m'malo opapatiza monga ma tunnel.Kuchokera pakumaliza bwino ntchito yomanga ngalande mpaka kuwonetsetsa kuti zinthu zikusintha mwachangu, chofufutira cha Doosan 500 ndiye makina omaliza opititsa patsogolo ntchito yanu yomanga.