? 一级黄片视频乱伦视频,真h黄色一级大片,一级黄片欧美在线观看

国产成人精品的毛片-国产高清无码在线观看一区-美国一级黄片操逼-黄片一级二级在线观看-AAA一级成人群交免费观看-中国一级一级黄色AV-a级欧美性爱一级片-亚洲第一在线升级-中国特级黄片免费看

+86 917 3228322   |   sales@belongmetal.com
   中  文  |  ENGLISH

Niobium

  • Niobium pipe
Niobium pipe

Niobium pipe

  • Material: R04210
  • Technics: cold rolling/cold drawing
  • Temper condition: M, Y, m
  • Dimension: φ(1-65)*(0.2-4.0)*Lmm
  • Application: Used for the heat exchange tube. The protect tube of thermometer in petrochemical industry and electronics industry.
  • INQUIRY
Material: R04210
Technics: cold rolling/cold drawing
Temper condition: M, Y, m
Dimension: φ(1-65)*(0.2-4.0)*Lmm
Standard: ASTM B394-2009
Application: Used for the heat exchange tube. The protect tube of thermometer in petrochemical industry and electronics industry.
PREVIOUS:Tungsten bolt NEXT:Zirconium tube