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  • Term and the term pump(1)
    Term and the term pump(1) 1, vacuum definition: a vacuum system which is less than the region's rare book atmospheric gas state 2, vacuum degree: the degree of gas in rare book under vacuum conditions,...

  • Diffusion pump nozzle

  • Characteristics of Roots pump
    Characteristics of Roots pump Forward exhaust blower could be linked together using the same rotary vane pump to get in the middle there is a greater vacuum pumping speed ...

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