1-2-5混凝土排水管铺设

1)基底清理、夯实;2)基础混凝土配运料、拌和、运输、浇筑、养生;3)排管、下管、调直、找平、清理管口、调运砂浆、填缝、抹带、压实、养生。




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