the Third-line Construction 三线建设
the third line construction 三线建设
In the mid '60s, Chongqing was the key investment district of third-line construction of China, becoming the nation's important industrial base.
六十年代中期，重庆是中国三线建设的重点投资区，成为全国重要的工业基地。
This paper mainly presents the soil anchor rod construction and experiment for Huai′an Third-line ship lock on Beijing-Hangzhou Canal.
主要介绍京杭运河淮安市淮安三线船闸土锚施工和试验情况。
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