英语词汇“section block, double-tracked”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	section block, double-tracked
释义	section block, double-tracked [作业运输] 石块截面，双轨的，铁路安全技术; 三角圆环，双轨的; 部分木块,双面;铁路安全科技
随便看	done their duty done their hair done their homework done their nut done their nuts done their own thing done their own things done their part done their parts done their porridge done their porridges done their possible done their stint done their stints done their stuff done their stuffs done their sums done their thing done their things done their whack done their whacks done their worst done themselves justice done themselves proud done themselves well

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