压头

• Spring - loaded variable - head flowmeter
  弹性加载可变压头流量计
• Testing of asphalt ; indentation testing using a flat - ended indentor pin
  沥青的试验.使用平端压头针的刻痕试验
• Universal head loss coefficient
  通用压头损失系数
• Contour squeeze molding machine
  成形压头造型机
• Rockwell hardness penetrator
  洛氏硬度压头
• Vickers hardness penetrator
  维氏硬度压头
• Constant - level head tank
  恒液位压头容器
• Variable - head flowmeter
  可变压头流量计
• Knoop hardness penetrator
  努普硬度压头
• Constant - head flowmeter
  恒定压头流量计