... track panel laying gantry crane 门式铺轨排机 track laying train 铺轨列车 work train with camp cars 工程宿营车 ...
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track-laying train 铺轨列车
track laying train
铺轨列车
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Much of the work is expected to be carried out at night, with a so-called factory train laying a mile of new track and cables every night once construction is underway.
BBC: Electrification of Swansea to London trains 'by 2018'
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