瑟瑟狠狠五月-瑟瑟久草-瑟瑟瑟热热热91-瑟瑟偷拍自-瑟瑟五月天91-瑟瑟五月天小说-瑟瑟亚洲一区-瑟瑟影院导航-瑟瑟影院日韩一区三区-瑟瑟综合网-瑟综合网-山东乱子伦视频国产

  • The hydraulic scraper cleans Marine life from the hull

    Hulls of Marine organisms can be cleaned in water with hydraulic scraper, equipped with nylon brush disc, steel wire brush disc, blade brush disc and polisher.Qingdao Jurong Engineering Technology Co.

    2021/01/21 高壓清洗機

  • Aquaculture cage can be cleaned by cavitation jet technology

    Oceanic ranch Aquaculture cage can be cleaned by cavitation jet technology。Comparison of cleaning effect

    2021/01/21 高壓清洗機

  • ?Water Cavitation Peening

    Water Cavitation Peening is use of a large number of cavitation bubbles in the high-speed high-pressure water jet creates a strong impact on the surface of the material during the bursting and collapse.

    2020/01/09 高壓清洗機

  • Qingdao jurong was invited to attend 2019 (4th) QINGDAO INTERNATIONAL OCEAN SCIENCE & TECHONLOGY EXHIBITION

    2019 (4th) QINGDAO INTERNATIONAL?OCEAN SCIENCE & TECHONLOGY EXHIBITIONQingdao jurong engineering technology co., LTD was invited to attend the exhibition!Organizational Units Sponsor:The peop

    2019/08/02 高壓清洗機

  • UNDERWATER HULL CLEANING BACKGROUND

    Human had encountered the underwater fouling phenomenon since the times when the first ships and the first primitive waterworks had been built. At first this phenomenon appeared not to have any seriou

    2019/06/26 高壓清洗機

  • Warm congratulations on the full success of the "2018 first Qingdao civil-military integration technology innovation exhibition"

    10,10, 2018With the theme of "integration · innovation"The first Qingdao civil-military integration technology innovation exhibitionIt's opening in the west coast new area of Qingdao.As

    2018/10/13 劉寧寧

  • Troubleshooting and maintenance of high pressure cleaning machine

    It is inevitable that some working faults will occur during the long-term operation of the high-pressure cleaning machine. When the high-pressure cleaning machine fails, the operator should carefully look for the reasons according to different fault phenomena and solve the problems in time. Below we mainly introduce some common faults and troubleshooting of high pressure cleaning machine. 1. If there is abnormal screams during operation of the high-pressure cleaning machine, most of the reasons are caused by the lack of oil in the motor bearing. In this case, we only need to inject ordinary butter into the filling hole of the motor to solve the problem. We are in

    2018/08/14 qxp

  • Measures to deal with the premature failure of anti-corrosion layer of offshore wind power steel structure foundation

    In recent years, many countries have shifted the focus of wind power development to the sea. The basic form used in offshore wind power in China is divided into two forms from the perspective of materials: steel structure foundation and reinforced concrete foundation, among which steel structure foundation is widely used. Because the working conditions of the steel structure foundation are relatively harsh and the field maintenance is relatively difficult, the corrosion protection life is generally not less than 15 years

    2018/08/14 qxp

Previous page12Next page Go to No.
主站蜘蛛池模板: 国产日韩性精品久久 | 叉叉AV | 欧美熟妇激情 | 日欧片内射在线欧美 | 东南亚三级在线视频 | 狼人色情乱婬一区二区 | wwwxxx在线播放 | 日本多毛熟女 | 福利姬www | wwww欧美一区| 欧美性爱激情综合网 | www尤物com| 能在线观看的AV网址 | 欧美潮喷合集在线 | 香蕉狼人一区二区三 | 婷婷综合人人网 | 91超碰在线观看 | 六月天外网欧美激情 | 91叉叉叉免费观看 | 久草金典 | 欧美激情熟妇 | 8848永久在线 | 日韩无码卡一卡二 | 亭亭五月激情 | 无毒的hs网站 | 狠狠激情| 轻轻久操 | 欧美日韩精品区 | 欧美影院一二一 | 肏逼日肏逼 | 夫妻午夜视频 | 超碰导导航| 女同日逼卡一卡二卡三 | 国产精无码片 | 亚洲视屏 | 久草视频专区 | 五月丁香免费 | 四虎男人的天堂 | 国产绿帽一区二区三区 | 免费看三级网站 | 国产操逼一区二区 |