博远集团
Tunnel Lining Trolley
点击: 来源:未知 时间:2019-06-26

The length of the trolley is generally 6 meters, 7.5 meters, 9 meters, 10.5 meters, 12 meters, etc. depending on the length of the tunnel and the construction period. The lining trolley can be divided into a side arch type, a full round needle beam type, a bottom mould needle beam type, and full circle walking type.
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