辅轨长度 length of track laid out
指线路全长减去该线路上所有道岔的长度。
铁路车站及枢纽的能力是铁路运输能力的主要组成部分。
You can _____ some bottles of wine, or some chocolates, or a bunch of flowers.
They exchanged tales of ____ or disappointing news of popular items sold out minutes after the spree began at midnight.
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