同城月抛200一晚,高端空降约茶,500元快餐3小时联系方式,300元3小时服务不限次数

It has anti-seepage function and enhancement effect, improves the pumping performance of concrete, and has no significant effect on the setting time of concrete.

All kinds of concrete with waterproof requirements, such as underground projects, pools, water towers, tunnels, etc.