Ngomhla wama-20 ku-Agasti, ngo-2020, ikomkhulu lomsebenzi we-metro yaseGuangzhou, iGuangzhou Metro Design kunye neZiko loPhando, kunye neNanjing Junli Technology Co., Ltd., baqhube uvavanyo olusebenzayo lwamanzi lwesango lezandyondyo elizenzekelayo ekungeneni / ekuphumeni kwesiSikhululo saseHaizhu Square. Isango lezandyondyo elizisebenzelayo ngoxinzelelo lwehydraulic liwavale ngempumelelo amanzi, kwaye i-drill ibe yimpumelelo kwaye yanconywa kakhulu.
Ixesha lokuposa: Sep-08-2020