国产又粗又黄又爽_中国女人a毛片免费全部播放_国产女人被躁高潮视频在线视频最新_一级毛片免费完版_成人精品欧美日韩_五月丁香色综合久久4438_国产成年人免费观看91视频_宅宅236伦理2019最新_blue在线观看视频全集资源_国产欧美日韩麻豆三级

簡(jiǎn)體中文版 English

Product List

The utility model is suitable for the pipeline of the various systems of the thermal power station, and the pipeline medium is cut off or connected with the pipeline. Applicable medium: water, steam and other non corrosive media. Power station valves and other valve products compared to the characteristics of high temperature and high pressure, unique self sealing design, the higher the pressure, the more reliable seal. Because of the characteristics of the performance technology, the special conditions of the product also formed other products can not be replaced by the characteristics of.
Note: parameters are for reference only, or are not full. Valve can be used in accordance with the requirements of different pressure, material, diameter, drive, etc.. Specific please contact or online advisory contact.
Mandatory
Mandatory
Mandatory
Mandatory

Be sure to write clearly consulted or purchase products detailed parameters and quantity.