中文字幕大香视频蕉免费,色多多WWW视频在线观看免费 ,国内2018自拍视频在线,国产xxxxx在线观看

Chinaese  |  English    
  HOME Company Products Moulds Feedback Technical support Certificate
     
 
 
Products List
 
 
 
Products
  一、Pipe Fittings and installation procedure
  Whether R-R elasticity sealed rubber enclose installation procedure of joining:
    1、Surface and socket surface will be polished clean with the cotton yarn in bearing a trough.
    2、Rubber it is way not correct since it enclose(major part towards in,it is outside in head not small) put during bearing mouthfuls of trough.
    3、Draw and insert in the depth marking in the socket end.
    4、In glue circle and socket is it is it take place kind lubricant to paint partly to enter. (forbid the oils)
    5、Pull calabashes once and pull to the location with tight thread device or hands.
    6、Whether it is normal by filling in chi and checking the glue and enclosing the circumference.
 
   
     
The homepages of Xingyu