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That is an overhead railway.
那是一条高架铁道。
youdao
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The overhead catenary system is the main facility for power supply in electrified railway.
接触网是电气化铁路的主要供电设备。
youdao
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The overhead catenary system is the main facility for power supply in electrified railway.
接触网是电气化铁路的主要供电设备。
youdao