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　　加??(jia)快??(kuai)完??(wan)善??(shan)沿??(yan)江??(jiang)干??(gan)線??(xian)公??(gong)路??(lu)網(wǎng)??(wang)絡(luò)??(luo)(“兩??(liang)重??(zhong)”建?(jian)設(shè)??(she)扎?(zha)實(shí)??(shi)推??(tui)進(jìn)??(jin))　　怎??(zen)么??(me)辦?(ban)？??G3銅??(tong)陵??(ling)長(zhǎng)??(chang)江??(jiang)公??(gong)鐵??(tie)大??(da)橋??(qiao)在??(zai)設(shè)??(she)計(jì)??(ji)中??(zhong)??，將??(jiang)斜??(xie)拉??(la)橋??(qiao)和??(he)懸??(xuan)索??(suo)橋??(qiao)兩??(liang)種??(zhong)橋??(qiao)型??(xing)有??(you)機(jī)??(ji)結(jié)??(jie)合??(he)??，既??(ji)保??(bao)留??(liu)了??(le)斜??(xie)拉??(la)橋??(qiao)剛??(gang)度??(du)大?(da)的??(de)優(yōu)??(you)勢(shì)??(shi)??，又??(you)利??(li)用??(yong)了??(le)懸??(xuan)索??(suo)橋??(qiao)跨??(kua)越?(yue)能??(neng)力??(li)強(qiáng)??(qiang)的??(de)特??(te)點(diǎn)??(dian)??。??同??(tong)時(shí)??(shi)??，通??(tong)過(guò)??(guo)采??(cai)用??(yong)交??(jiao)叉??(cha)合??(he)龍??(long)方??(fang)案??(an)??，節(jié)??(jie)省??(sheng)3到??(dao)6個(gè)?(ge)月??(yue)工??(gong)期??(qi)??，既??(ji)實(shí)?(shi)現(xiàn)??(xian)了??(le)技?(ji)術(shù)??(shu)與??(yu)工??(gong)期??(qi)的??(de)雙??(shuang)重??(zhong)優(yōu)??(you)化?(hua)??，也??(ye)成??(cheng)就??(jiu)了??(le)世??(shi)界??(jie)首??(shou)座??(zuo)雙??(shuang)層??(ceng)斜??(xie)拉??(la)—懸??(xuan)索??(suo)協(xié)?(xie)作??(zuo)體?(ti)系??(xi)大??(da)橋??(qiao)??。。