Not logged in [Read-only] (Click for login information)
Trace: » perforation_prepacking
Translations of this page?:
[[terms:perforation_prepacking]]

Perforation Prepacking

packing the perforation with gravel to prevent tunnel collapse.

 
Not logged in [Read-only] (Click for login information)
terms/perforation_prepacking.txt · Last modified: 2011/07/26 09:21 (external edit)