久久精品伊人久久精品伊人丨欧美特黄一级大片丨嫩草影院在线观看91麻豆丨在线日产精品一区丨亚洲欧美日韩_欧洲日韩丨538在线精品视频丨午夜视频福利丨亚洲免费视频观看丨色偷偷亚洲丨激情综合色五月六月婷婷丨久久久久久久久久影院丨国产无人区码熟妇毛片多丨50一60老女人毛片丨免费视频国产丨www国产丨国产精品无码一区二区在线观一丨99热自拍偷拍丨国产精品成人网址在线观看丨婷婷综合丨男女做爰无遮挡性视频

1. Nowadays, more than 80% of them use chemical cleaning methods. Although it is easy to remove the dirt by acid-base immersion or flow circulation, chemical cleaning methods will pollute the environment, and industrial high-pressure cleaning machines have the advantages of using clean tap water as the working medium. 2. No damage to the cleaned substrate: since the cleaning machine uses pure water as the working medium, it will not damage the cleaned substrate. 3. Wide range of application: it

High pressure water jet machine is a kind of cleaning equipment for high-pressure cleaning pump, which is used for cleaning of professional heat exchangers or reactors and various pipes in chemical plants, thermal power plants, sugar factories, paper mills, etc. high pressure water jet machine can also be used for sand cleaning of castings, cleaning of various vehicles, airplanes, ships, slaughterhouses, etc. through the equipment accessories, it can also be used for water sandblasting, so as to