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劇情簡介

1950年6月(yue)15日(ri)，在成(cheng)渝(yu)(yu)鐵(tie)(tie)路(lu)開工(gong)(gong)(gong)典禮(li)上，團長馬(ma)祖堂把(ba)“開路(lu)先鋒(feng)”旗(qi)幟(zhi)交給先鋒(feng)連連長羅(luo)向(xiang)前(qian)(qian)(qian)。羅(luo)向(xiang)前(qian)(qian)(qian)帶(dai)著(zhu)戰士們(men)修筑路(lu)基，他(ta)探(tan)索分(fen)層填土(tu)打夯法，解決了(le)路(lu)基穩固(gu)性不足(zu)的(de)問題。1950年秋，朝鮮(xian)戰爭爆發，志(zhi)愿軍入朝作戰，羅(luo)向(xiang)前(qian)(qian)(qian)被留下，他(ta)帶(dai)著(zhu)民(min)(min)工(gong)(gong)(gong)大(da)隊修建最大(da)橋梁沱江大(da)橋，不料(liao)遭(zao)遇特務(wu)(wu)破壞，犧牲(sheng)了(le)很(hen)多民(min)(min)工(gong)(gong)(gong)。羅(luo)向(xiang)前(qian)(qian)(qian)發誓一定要修好成(cheng)渝(yu)(yu)鐵(tie)(tie)路(lu)，告慰犧牲(sheng)工(gong)(gong)(gong)友。在柏樹坳隧(sui)(sui)道(dao)路(lu)段，他(ta)和技術員葉(xie)嵐(lan)帶(dai)著(zhu)民(min)(min)工(gong)(gong)(gong)們(men)正干著(zhu)，忽然(ran)發生(sheng)塌方(fang)，很(hen)多民(min)(min)工(gong)(gong)(gong)被埋，羅(luo)向(xiang)前(qian)(qian)(qian)被停(ting)職。經(jing)調查(cha)，塌陷(xian)屬于地(di)質災(zai)害，羅(luo)向(xiang)前(qian)(qian)(qian)恢復職務(wu)(wu)，民(min)(min)工(gong)(gong)(gong)們(men)加班苦干，隧(sui)(sui)道(dao)很(hen)快貫通。1952年7月(yue)1日(ri)，成(cheng)渝(yu)(yu)鐵(tie)(tie)路(lu)全線(xian)通車。羅(luo)向(xiang)前(qian)(qian)(qian)和葉(xie)嵐(lan)在車廂(xiang)里(li)舉行別開生(sheng)面的(de)婚禮(li)。

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