reduced pressure

• Especially made for testing all reduced pressure zone backflow preventers
  专用于检测所有减压区防回流阀。
• Steel butt - welding pipes fittings ; tees with reduced pressure factor
  对焊钢制管件.带有换算压力系数的丁字管接
• Standard test method for distillation of petroleum products at reduced pressure
  石油产品减压蒸馏标准试验方法
• Instant coffee . determination of loss in mass at 70 degrees under reduced pressure
  速溶咖啡.减压后70时质量损失的测定
• Reduce pressure and avoid to smoke , in order to enhance the strength of the body
  减轻压力和避免吸烟，以增强身体的反抗力。
• Steel butt - welding pipe fittings ; elbows and bends with reduced pressure factor
  对焊钢管配件.第1部分:压力减缩系数弯头和弯管
• Steel butt - welding pipe fittings ; eccentric reducers with reduced pressure factor
  对焊钢管配件.第1部分:压力减缩系数的偏心减压器
• Buffer is applied to change the natural frequencies and reduce pressure pulsation
  运用缓冲器进行压力脉动的消减取得了明显效果。
• A small valve or faucet used to drain or reduce pressure , as from a boiler
  泄气阀，小龙头用来排空或降低压力的一种小阀门或小龙头，如锅炉上的
• Study on analytic precision of laser microemission spectral analysis in argon atmosphere at reduced pressure
  减压氩气环境下激光微区发射光谱分析精度的研究