白洁少妇1~178无删节,国产黄A三级三级三级看三级 ,午夜精品一区二区三区在线观看,国产乱老熟视频乱老熟女

NewsHome > News > Company news

Sliding formwork manufacturer for you a brief introduction of what is the piston grouting pump
release time:2019-3-28 15:35:22      hit count:1777

The new curb mainly deals in sliding formwork, curb sliding formwork, curb stone sliding formwork and so on. Today, Xiaobian here for you to briefly introduce what is the piston grouting pump.

The piston grouting pump has strong pulse pressure, which is easy to block the pipe and burst, and is difficult to pour thick slurry. The rubber pipe of extrusion grouting pump is easy to rupture, with high failure rate, low pressure, difficult to pour viscous slurry, poor sealing effect, low effective displacement and easy to immerse in air.


Previous: No more
Next: Sliding Form Manufacturers Share Some Little Knowledge

Back to list

News you are interested in