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pipe jacking method
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pipe jacking method
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理学
地下工程
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pipe jacking method
顶管法
借助于主顶千斤顶(油缸)及管道间的推力,把工具管或掘进机从工作坑内穿过土层一直推到接收坑内吊起,再将紧随其后的管道埋设在两坑之间的非开挖铺设地下管道的施工方法。
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orbit
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orbital biology module experiment in planetary exploration
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orbital-dependent functional
orbital dependent functionals
orbital determination
Orbital Dynamics
orbital dynamics
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orbital electron capture
orbital element
orbital elements
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