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ballastless

ballastlessballastless

ballastless

例句：
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State-of-the-art research of red clay is still difficult to meet the strict requirements of the high-speed railway ballastless track.
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Research purposes: This paper finds the thickness of solid slib which replaced slab of elastic supporting block ballastless track.
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The displacement of rail can decrease if ballastless turnout is laid on continuous frame bridge.
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It is the world's first 350-km per hour ballastless track.
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Exploring on analytical calculation for pile network system used in improving subsoil under ballastless track on Suining-Chongqing railway
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Analytical comparison about displacement growing of continuous welding turnouts respectively laid on ballastless-track and ballast-track
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Research on Structural Mechanism Characteristics of Ballastless Track on Bridge with Linear Induction Motor Transportation System
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