A method for burying a collecting pipe for collecting liquid or gas underground to construct a horizontal filter side hole and a drain pipe, and an apparatus used thereforPCT No. PCT/EP94/01248 Sec. 371 Date Feb. 6, 1995 Sec. 102(e) Date Feb. 6, 1995 PCT Filed Apr. 21, 1994 PCT...
But Poppe told reporters on Wednesday that she quickly realized after she joined PG&E in January that moving lines underground is the best way to protect both the utility and the 16 million people who rely on it for power. "It's too expensive not to do it. Lives are on the line," Pop...
The traditional method of installing underground utilities (e.g., water, sewer, gas pipes, electrical cables) by burying them under roads has been used for... S Jorjam,M Mawlana,A Hammad - 《Infrastructures》 被引量: 0发表: 2024年 ...
1.The problems existing in concealed gas pipe and resolving measures暗埋式燃气管道存在问题与解决措施 2.Research of Quality Control for Shallow Underground Excavation in the Underground Culvert Project at the West Fourth Ring西四环暗涵工程浅埋暗挖工法质量控制研究 3.The Construction Techniques Study on...