Kufotokozera kwa pulojekiti: 2 km mphamvu ikugwira ntchito mumsewu ndi shaft foni yobwereza chizindikiro chobwereza.Ku Tianjin, China magetsi opangira ngalande yamagetsi, kutalika pafupifupi 2 km, ngalande yokhala ndi tsinde 3, Kufunika kolowera ndi gawo la shaft, chivundikiro champhamvu cha netcom, chomwe chimayikidwa pambuyo pa ...
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