Tunnel waterproof board laying formwork

Tunnel waterproof board laying formwork is a non-standard product specially designed and manufactured for the lining of various tunnels and culverts. The whole roll of tarpaulin is hung on the trolley; the bottom end of the tarpaulin is fixed, the tarpaulin can be automatically unfolded, and the tarpaulin can be stopped at any position of the track at any time; and the reverse function is also provided. It can greatly save the labor cost of hanging tarpaulin.
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