6-5-6人工敷设塑料子管

清刷管孔,塑料管外观检查,敷设塑料管并试通,固定堵头及塞子,管头做标记等。

 

 

注:本定额系指钢管或HDPE双壁波纹管一孔内同时布放塑料子管(1孔或3孔)。




This file is decompiled from a .CHM file
by an UNREGISTERED version of Easy CHM.
You can download Easy CHM at : http://www.eTextWizard.com