国产美女高潮流白浆免费视频,亚洲欧美激情综合,亚洲一级 片内射欧美A999,国产午夜aV免费不卡在线

    1. <source id="y2cpy"></source>

      <b id="y2cpy"></b>

      <source id="y2cpy"><menu id="y2cpy"></menu></source>
    2. <source id="y2cpy"><track id="y2cpy"><ins id="y2cpy"></ins></track></source>

      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,操作人員必須仔細執(zhí)行。 根據(jù)擠出機的負載和工作時間,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