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Secondary grouting machine technology to take holes in the center line of the lining trolley vault, install the fixing flange and the positioning flange at the position of the hole, and fix it after the rpc grouting pipe. After the concrete top pouring is completed, start with the belt mold grinder. Grouting, using the mold grouting technology can effectively prevent the vault cavity.
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Specific click to visit:https://www.gf-bridge-tunnel.com/products/tunnel-lining-trolley-accessories/secondary-grouting-machine/
