圆管

• Numerical simulation for dynamic melted polymer pipe flows in vibration field
  振动场中圆管流道内聚合物熔体流动的数值模拟
• Agricultural drainage . unplasticized pvc ringed pipes . natural ageing test
  农业排灌设备.未增塑聚氯乙烯圆管.天然老化试验
• Test study on distribution of base pressure of rigid pipe on flat soil foundation
  平面土基刚性圆管基底压力分布的试验研究
• Model fn round seam welder
  圆管缝焊机
• The rarefaction and compressibility effects of the gas flow in circular microtube
  微细圆管中气体流动的稀薄效应和可压缩效应
• Standard specification for aluminum and aluminum - alloy formed and arc - welded round tube
  成形的和电弧焊接的铝及铝合金圆管标准规范
• Agricultural drainage . corrugated unplastificized pvc pipes . bending resistance test
  农田排水.未增塑聚氯乙烯圆管.耐弯曲性能试验
• Ccfl uv tube
  导流圆管排线
• Research on dimension effect on dynamic response of thin - walled circular tubes under axial impact load
  轴向受冲薄壁圆管的尺度效应研究
• Experimental studies on measurement of flow - rate based on maximum velocity on circular cross - section
  用圆管中最大流速测量流量的实验研究