少妇庄稼地野战视频,日韩在线一区二区不卡视频,good电影网,无码免费高潮喷水,暴力无码强奷系列在线播放,做性爱A级黄在线,国产精品爽爽v在线观看无码

New

Home > New >

  • What are the methods to maintain extruder screw

    What are the methods to maintain extruder screw

    擠出機的保養(yǎng)和維護的操作內(nèi)容是擠出機生產(chǎn)操作中的操作程序規(guī)則和操作注意事項,操作人員必須仔細(xì)執(zhí)行。 根據(jù)擠出機的負(fù)載和工作時間,可以定期維護擠出機。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