论述微型顶管机的主要结构、技术特点和设计难点。介绍DG250-QNP微型顶管机的创新点和现场应用情况。经工业性试验,各项指标均达到......

In order to accelerate the consolidation of the dredged sludge and look for an effective material formud-water separatio......

Umbrella-type mud-water diversion labyrinth sedimentation device,which is characterized by the combination of two swash ......