... machine 1. Application: PZS-1 Wet concrete shotcrete Machine is mainly used for wet-mix shotcreting. It has the ... strength of concrete layer, reliable performance and so on. It is widely employed in mining, tunnel, subway, hydropower engineering, underground ... -mix shotcreting and Wet-mix shotcreting. Wet-mix shotcrete is an advanced concrete spraying technique, developed from dry-mix shotcrete ...