Iyi ndiyo ngarava yechipiri yakakurumbira yerudzi kumusoro uye yepakati inosvika rwizi rweYangtze. Iyo inovakwa mukuteerera nekodhi yechikepe chegasi chezasi chezasi. Yayo gasi yekupa system yakapfuura kuongorora neyekutumira kweSypection Dhipatimendi reChongqing Maritime Kuchengetedza Administration.