电气管线敷设方式标注及JDG管套接工艺介绍

摘要

Correct understanding of marking laying mode of electrical pipelines is presented; the characteristic and economic advantages of the JDG are analyzed and compared, and operation process of JDG construction are provided.%准确理解电气管线敷设方式的标注,对JDG管的特点及优势作分析、比较,并给出JDG管施工操作过程。