When shield machine traverses through hard rock mass. disc cutters will be abraded to different degrees. Excessive height difference exists between adjacent disc cutters. which critically affects the rock-breaking efficiency. https://countryscenesaddleryandpetsuppliers.shop/product-category/lunging-system/
Lunging System
Internet 15 hours ago ysbacmeoic20dWeb Directory Categories
Web Directory Search
New Site Listings