zhòngyīngguànyòngduǎnyù:
  •    chōng   pressure shock
  •    chōng zhì   surge suppressor
  •    yuán   pressure flange
  •    dòng zuò kāi guān shuǐ liú dòng zhuāng zhì   pressure-operated switch waterflow initiating device
  •    dòng zuò kāi guān shuǐ liú bào jǐng   pressure-operated switch waterflow alarm
  •    chéng   pressure-time diagram
  •    chéng   P-T diagram
  •    zhēn kōng biǎo shì   pressure and vacuum gauge tester
  •    biàn huàn   pressure transducer
  •    diào jié tánhuáng   pressure setting spring
  •    zhēn kōng shì fàng   pressure-and-vacuum release valve
  •    pēn shè huà   pressure jet atomizer
  •    pēn yóu rán shāo   pressure burner
  •    pēn yóu rán shāo   pressure jet burner
  •    pēn   pressure sprayer
  •    pēn   pressure distributor