News
  1. Home
  2. world s bigest mining machine manufactureer

world s bigest mining machine manufactureer

world s bigest mining machine manufactureer

May 26, 2014· 8.World’s LargestTunnelingMachine. When Seattle decided to replace the Alaskan Way Viaduct — an elevated section of highway that runs between Elliott Bay waterfront and the downtown district — with a tunnel, they hired theworld’s largesttunnel borer: a 300-foot long, five stories-high driller named Bertha. Bertha is a very big girl ...

Get a Quote Send Message

News & List

gotop
Click avatar to contact us