equipment

in this paper,the across railroad project of Gaoxin south road using D300UPVC pipe was studied as a case,the construction experience and equipmentof paving D300UPVC pipe with long-distance direction infix was introduced.

本文以高新南大道D300UPVC管道横穿铁路工程为案例,介绍了导向钻进铺设D300UPVC直壁管施工所需设备装置和施工经验。