Long-distance cluster PE pipeline non-excavation crossing method

The invention provides a long-distance cluster PE pipeline non-excavation crossing method. The method comprises: assembling a PE pipeline bundle, welding a steel pipe, pulling the PE pipeline bundle into the steel pipe, welding the two ends of the steel pipe for enclosing, performing orientated hole...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	WEI RULIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINEDOPTICAL AND ELECTRIC CABLES OR LINES
Online-Zugang:	Volltext bestellen
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