1986年,“华(huá )东(dōng )飞渡”之名尚未可(kě )知,永康(kāng )仍是个(gè )小(xiǎo )县城,而该(gāi )县水电局工程技术人(rén )员正紧(jǐn )锣(luó )密鼓(gǔ )地勘(kān )察、测算,经讨(tǎo )论,决(jué )定(dìng )改换杨溪水库北干渠走线方(fāng )案,从(cóng )原先的U型渠(qú )道(dào )改为(wéi )穿山、架桥、遁地式(shì )的(de )直线方案,并最终确定了构(gòu )建(jiàn )渡槽(cáo )群的整体(tǐ )设(shè )想。
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