set of brushes...[继续阅读]

    positive-grid multivibrator...[继续阅读]

    leakage reactance; reactance leakage...[继续阅读]

    X射线管multistage tube...[继续阅读]

    传热系数,导热系数...[继续阅读]

    oscillosynchroscope;synchroscope...[继续阅读]

    elevator-car flash signal device...[继续阅读]

    扩散合金型晶体管,漂移型晶体管...[继续阅读]

    waveguide tuner...[继续阅读]

    计算机技术,计算机工艺...[继续阅读]