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秦直道遗址
释义
秦直道遗址
Encyclopedia
历史学
〔其他遗址〕
释
Straight Road of Qin Dynasty
秦直道遗址
秦始皇三十五年(公元前212)令蒙恬率三十万大军兴建的连接关中与北方草原地区的交通纽带,也是支援北方长城沿线地带军事防务的运输线,与长城共同构成了秦朝北疆的防御体系。
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installation of catennary anchor leg mooring system
installation of compliant tower substructures
installation of drag embedment anchor
installation of FPSO
installation of gravity base platform substructures
installation of hydro-generator unit
installation of jacket substructures
installation of mechanical and electrical equipment
installation of metal structure
installation of offshore topside
installation of pile anchor
installation of pump
installation of Spar
installation of steel pipes
installation of subsea template
installation of suction anchor
installation of tension leg platform
installation of tower underwater soft yoke single mooring system
installation of vertical load anchor
installation of water soft yoke single mooring system
installation qualification of pressure pipeline
installation spacing of fire detector
installation vehicle for contact wire
installation works
installed capacity
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