| 摘要 |
H: /gw/Interwoven/RPortbl/DCC/GW/13189533_1.docx-17/02/2017 Disclosed herein is a method for repairing a wall of a manhole, comprising: applying a material capable of curing and hardening with exposure to a light to the wall of the manhole; positioning a translucent bladder at least partially within the manhole; expanding the bladder against the material on the wall of the manhole; introducing a light within the manhole to allow the material to cure and harden. - 46 - D2 |
