“ballast bed”的概念、定义、翻译、参考文献-科学参考

单词	ballast bed
释义	ballast bed Encyclopedia 工学[轨道部件]释 ballast bed碎石道床用散粒体碎石道砟构筑的轨下基础。
随便看	soroban sorocarp sorophore sororate sorosis Soroti sorption sorption complex sorption isotherm sorption pump sorption rate constant sorption solvent for nitrogen oxide sorption trap sorptive binding Sorqaqtani Sorrow Sorrows of a Bride Sorrows of Tongque Stage sort sortability sortal presupposition sorter sorting sorting aggregation sorting algorithm

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