针对老城区内河岸上敷设污水截流干管存在困难的特点，提出河床下敷设截流干管的设计方案及相应的技术措施。
An innovative design in which intercepting main sewers are laid under streambed of a river in an old city is presented with a set of technical measures.
针对老城区内河岸上敷设污水截流干管存在困难的特点，提出河床下敷设截流干管的设计方案及相应的技术措施。
An innovative design in which intercepting main sewers are laid under streambed of a river in an old city is presented with a set of technical measures.
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