With the development of the country's economy, more and more attention has been paid to transportation. Various regions are scrambling to build roads to accelerate economic development, and the development of tunnels has also appeared in front of the people more and more. With the development of tunnel construction, the concrete used for tunnels The pump has also been valued by the market. There are two spraying methods, dry spraying and wet spraying, which one is better? Qingke Heavy Industry can briefly sort out the advantages and disadvantages of dry spraying and wet spraying for everyone.