作为防水、防腐和地基加固等多种目的和手段之一，灌浆技术可应用于河底隧道或者海底隧道。
Grouting technology is used in subsea and river-crossing tunnels for various purposes such as waterproofing, pre-reinforcement and corrosion protection.
另一种开挖水下隧道的方法是将深管放入河底或水中其他位置的已开挖的深沟中。
Another method of building an underwater tunnel is to sink tubular sections into a trench dug at the bottom of a river or other body of water.
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