| 摘要 |
An appararus for lining and/or relining conduits and tunnels, including those having dimensions sufficient for accommodating a roadbed or railway bed for the purpose, for example, of providing automobile tunnels or railway and subway tunnels. The apparatus includes not only the materials themselves for lining the inner walls of conduits or earthen tunnels, e.g., but the system to be employed for placing and securing in place the lining materials. The invention also is directed to the method of placing and securing in place the lining materials.
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