A、 Decrease the pressure in the hydraulic system.
B、 Bleed the speedbrake hydraulic system.
C、 Disconnect the speedbrake hydraulic system.
答案:B
A、 Decrease the pressure in the hydraulic system.
B、 Bleed the speedbrake hydraulic system.
C、 Disconnect the speedbrake hydraulic system.
答案:B
A. The trim control knob is installed on the control pedestal.
B. The trim control button is mounted under the control pedestal.
C. You can find the trim control button on the control panel.
A. By using the basic provisions of FAR 21.50, revisions become consistent with the format of the specification.
B. FAR 21.50 provisions are the basic to the revisions which are consistent with the format of the specification.
C. To make revisions consistent with the format of the specification, the provisions of FAR 21.50 should be adopted as a basis.
A. 如果凸台处有气漏出,按逆时针方向缓慢转动活门组件。
B. 按逆时针方向缓慢转动活门组件直到凸台处有气漏出。
C. 在气体从凸台漏出之后,按逆时针方向慢慢转动活门组件。
A. 如果没有明显迹象表明紧固件松动,在紧固件头部和相邻材料上标记一条红线。
B. 如果紧固件松动的迹象不清晰,则跨过紧固件头部在相邻材料上标记一条红线。
C. 如果没有清晰地显示出紧固件松动,则在紧固件头部和相邻材料的上方标记一条红线。
A. Quickly turn on the oxygen system, the mask begins to supply oxygen.
B. Pull the oxygen mask with a sudden movement to start the flow of oxygen.
C. Suddenly start the oxygen supply system, the mask drops.
A. That section of the systems which controls the position and rotation of the trailing edge flaps.
B. That portion of the systems which controls the position and movement of the trailing edge flaps.
C. That part of the systems which controls the position and rotation of the flaps.
A. Do the procedure to preserve the carbon steel cables.
B. Do the procedure to lubricate the stainless steel cables.
C. Do the procedure for the protection of the carbon steel harnesses.
A. 不要用手辅助低压压气机的运动。如果这样做,低压压气机可能会导致人身伤害并损坏设备。
B. 不要用手阻止低压压气机的运动。如果这样做,低压压气机可能会导致人身伤害并损坏设备。
C. 不要用手移动低压压气机。如果这样做,低压压气机可能会导致人身伤害并损坏设备。
A. 当使用引号的技术名称以使读者读起来更清晰时,带引号的一组单词也是适用的名词词组中的一个词。
B. 当使用连字符连接长的技术名称从而使读者读起来更清楚时,连接在一起的一组单词在相应名词词组中也算作一个词。
C. 当用冒号连接长的技术名称以使读者读起来更清楚时,冒号连接的一组单词也可以用作适用的名词词组中的一个词。
A. 他拆下入口盖板来看是否有腐蚀的管路。
B. 他移开进入面板检查生锈的管道。
C. 他拆掉了近进盖板看到了腐蚀了的管路。