敷设管网
基于1个网页-相关网页
laying of pipe network 管网敷设
Pipe network for laying line 管线网
laying pipe network
铺设管网
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Network Rail said workers were laying a pipe underneath the track to allow the water to drain away onto the other side.
BBC: Bridgend flooding: Brackla flats evacuated
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