英语词汇“double-track railroad”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	double-track railroad
释义	double-track railroad 基本例句双轨铁路 A single track system in 1910,it was completely electrified and double-tracked by 1983.它在一九一零年投入服务时是一个单轨系统，在一九八三年，已改善成为一个完全电气化的双轨铁路系统。
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