9色视频久久日 A天堂,夜夜高潮夜夜爽国产伦精品,五福影院aⅴ无码久久影院,日韩无码一区二区三区涩涩视频,夜夜高潮夜夜爽国产伦精品,五福影院aⅴ无码久久影院,日韩无码一区二区三区涩涩视频

New

Home > New >

  • What are the methods to maintain extruder screw

    What are the methods to maintain extruder screw

    擠出機(jī)的保養(yǎng)和維護(hù)的操作內(nèi)容是擠出機(jī)生產(chǎn)操作中的操作程序規(guī)則和操作注意事項(xiàng),操作人員必須仔細(xì)執(zhí)行。 根據(jù)擠出機(jī)的負(fù)載和工作時(shí)間,可以定期維護(hù)擠出機(jī)。通常,它可以每六...

    2020-12-31 New
  • Application of twin screw extruder in various industries

    Application of twin screw extruder in various industries

    Single screw extrusion: Product quality is more consistent in production and control Fast switching and increased productivity due to continuous processing, faster startup and product change closure Advanced automation More flexibility to h...

    2020-12-31 New
  • The annual growth rate of China's plastic mold market will ma

    The annual growth rate of China's plastic mold market will ma

    With the rapid development of Chinas plastic industry, the development speed of plastic mold is driven, and the annual growth rate in the next few years will remain at about 20%. At present, Chinas export of die-casting dies is concentrated...

    2020-12-31 New