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學(xué)習(xí)快評(píng)丨qibao666888　　(總??(zong)臺(tái)??(tai)記??(ji)者??(zhe) 魏??(wei)星??(xing) 吳??(wu)媚??(mei)苗??(miao))　　3月??(yue)26日??(ri)??，我??(wo)國??(guo)高??(gao)速??(su)鐵??(tie)路??(lu)網(wǎng)??(wang)沿??(yan)海??(hai)通??(tong)道??(dao)的??(de)重??(zhong)要??(yao)組??(zu)成?(cheng)部??(bu)分??(fen)——汕??(shan)汕??(shan)高??(gao)鐵??(tie)迎??(ying)來??(lai)新??(xin)進(jìn)??(jin)展??(zhan)：汕??(shan)頭??(tou)至??(zhi)汕??(shan)頭??(tou)南?(nan)段??(duan)關(guān)??(guan)鍵??(jian)控??(kong)制??(zhi)性??(xing)工??(gong)程??(cheng)汕??(shan)頭??(tou)灣??(wan)海??(hai)底??(di)隧??(sui)道??(dao)成??(cheng)功??(gong)貫??(guan)通??(tong)??，這??(zhe)也??(ye)是??(shi)我??(wo)國??(guo)首??(shou)座??(zuo)設(shè)??(she)計(jì)??(ji)時(shí)??(shi)速??(su)350公??(gong)里??(li)、單??(dan)洞??(dong)雙?(shuang)線??(xian)的??(de)高??(gao)鐵??(tie)海??(hai)底??(di)隧??(sui)道??(dao)??。??。