“ballastless”的概念、定义、翻译、参考文献-科学参考

单词	ballastless
释义	ballastless 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。
随便看	discharge energy density discharge gap discharge ionization discharge lamp discharge liquid for injection discharge measurement discharge measurement instruments discharge of double negative discharge of hydraulic turbine discharge orifices discharge permit system for point source sewage discharge permit system for stationary sources discharge plasma in liquid discharge printing JiuJing discharge printing Taoist Canon discharge printing The Annotation of Classics discharger discharge rate discharge repetition rate discharge reporting and registration system discharge resistance discharge synthesis discharge time constant discharge time delay discharge tube

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