美女黄网_美女又爽又黄免费_免费看黄网址_一级黄色录像片 泰国无码AV片在线观看-视频一区国产二区-日韩欧美亚洲免费一区-专想操B的猛男操骚妇B

Mechanical stirring realizes strong torque stirring. In order to fully mix the high-viscosity materials, a set of circulating pipelines is added outside the kettle. Under the action of the circulating pump, the materials are circulated again outside the kettle to make the mixing more fully.

It is generally used for the stirring and mixing of glue, polyester, polyurethane and other polymer viscous materials.