According to the complication of pipe-jacking crossing the Yellow River some techniques such as twin-pipe joined without hinging, relay ring, slurry damper are applied.

针对济南市引黄供水穿黄顶管的复杂工况，详细介绍了以二段无铰式工具管为头部的顶管施工工艺及中继环、泥浆减阻等先进技术的使用。

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She took the red line to the Library of Lenin and transferred through its maze of halls and escalators to the Arbat line, emerging out of the templelike station and crossing the Boulevard Ring until she was on the bright, populated strip of the Noviy Arbat.

NEWYORKER: The Repatriates