This paper introduces the construction technology of digging groove in the sea sludge layer, the pipeline foundation of which is made of stone powder.

介绍了在海淤泥层采用石粉作为管道基础开挖沟槽的施工技术。

youdao

According to sewage transmission and its pollution in Chengdu, activated sludge treatment of sewage in pipeline is proposed, and a simulation experiment and study have been carried out.

本文针对成都市污水输送和污染现状，提出管式活性污泥处理法，并进行了有关模拟试验研究。

youdao

And building a pipeline to Turkey from Baku would be child's play compared with the Russian project, which involves laying the deepest undersea pipeline in the world, through the corrosive sludge of the Black Sea bed.

ECONOMIST: Of politics and pipelines