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北京第一项盾构工程5月18日由西向东准确无误的全线贯通 ,该污水管线工程总长2459m ,其中1658m采用盾构技术施工亮马河污水盾构工程贯通
The first shield project in Beijing was completed on the 18th from the west to the east. The total length of the sewer pipeline project was 2459m, of which 1658m was shielded by the construction of the Liangma River sewage shield tunnel project.