大口径

• Hdpe pipe extrusion line
  Hdpe大口径管材挤出生产线
• Design and construction technology of large - diameter non - excavated tractive pipe
  大口径非开挖牵引管设计与施工技术
• Gun tube active cooling system design for large calibre self - propelled howitzer
  大口径自行榴弹炮身管主动冷却系统设计
• The design of hydraulic buffer for big caliber sniper rifle with adaptive control
  大口径狙击步枪自适应液压缓冲器设计
• Thermal effect of large - calibre machine - gun barrel subjected to thermal shock
  承受热冲击的大口径机枪枪管的热效应分析
• Accuracy analysis of stitching interferometry for test of largediameter mirror
  子孔径拼接法检验大口径光学镜面精度分析
• Progress on testing large aspheric mirror with annular subaperture method
  以环形子孔径法检测大口径非球面主镜的研究进展
• For dn1200 2400electrie big - bore valve , please specify mounting requirement
  电动大口径阀门应注明是立式还是卧式安装。
• Engineering drilling rig
  大口径工程钻机
• The application of circumferential x - ray generator in large diameter pipeline inspection
  射线机在大口径管道探伤中的应用