• 2022-07-24
    电源组件提供28伏直流电。
    A: The power unit supplies 28 VD
    B: The power unit produces 28 VD
    C: The power unit provides 28 VD
  • A

    内容

    • 0

      The voltage source in the circuit( ).[img=166x83]1803a2ffaa8699a.jpg[/img] A: provides power B: neither provides power nor absorbs power C: absorbs power D: whether to develop power or absorb power depends on R

    • 1

      在PoE术语里PSU全称是Power Supply Unit,指的是供电单元,如PoE交换机的以太网接口。

    • 2

      如果组件变得很脏,那么组件的寿命将会缩短。 A: The life of the unit will decrease if you let the unit become dirty. B: The life of the unit is impaired if the unit is allowed to get dirty. C: The life of the unit is lost if the unit is allowed to get dirty.

    • 3

      In hydraulic transmission, the hydraulic control valve used to control the pressure, flow and direction of liquid is ( ). A: Power plant B: control unit C: auxiliary device D: Actuator

    • 4

      The Engine Interface Control Unit () handles the interface to ______ and<br/>Hydraulic Power Supply (). A: internal systems B: external systems C: control systems D: operating systems