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有砟道床
释义
有砟道床
Encyclopedia
工学
道床结构
释
ballastless
有砟道床
通常由具有一定粒径、级配和强度的硬质碎石堆集而成,碎石之间存在着空隙和摩擦力,使得轨道具有一定弹性的道床。
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Holder summation method
holdfast
hold hearings
holding
holding company
holding cost
holding flowers and fruits in vegetables
holding force
holding of constriction
holding power of drag embedment anchor
holding reductant
holding rod
holdings
holding table cover
holding time
Holding to Historicalism:General Study on the Two Pillars of Western Archival Theory
holding torque
Holdiya
hold time
hold-to-run control device
hold-up
hold-up device
Hold With Gong
hole
hole accident
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