A、 Despite the pressure decreases, the switch must stay closed.
B、 Although the pressure decreases, the valve must stay closed.
C、 In spite of the decreases of the pressure, the door must stay closed.
答案:B
A、 Despite the pressure decreases, the switch must stay closed.
B、 Although the pressure decreases, the valve must stay closed.
C、 In spite of the decreases of the pressure, the door must stay closed.
答案:B
A. 用电线把电缆连接到结构上
B. 把钢索固定到结构上
C. 把电线系到结构上的电缆上
A. 当需要了解膜片时,使用箭头指示方向。
B. 必要时应使用箭头表示流向来理解原理图。
C. 利用箭头指示的方向来理解线路施工图。
A. This documentary includes appropriate instructions for continuing airworthiness.
B. This document contains appropriate instructions for continued airworthiness.
A. 在设计的概要图里,可能需要在让图表内容详实和便于阅读理解的简单之间妥协。
B. 在设计原理图时,可能有必要在使图不言自明所需要的细节和易于阅读和理解所必需的简单之间作出折衷。
C. 在设计插图的过程,涵盖细节来让图表自行展示且方便阅读和理解是有必要的。
A. 拆除部件之前,给系统充气
B. 安装部件之前,给系统释压
C. 断开部件之前,给系统放气
A. Use the specified one if the equivalent material is not available.
B. Use the available equivalent one if no material is specified.
C. lf you can not get the specified material, use an equivalent.
A. Make sure that material and dimensions of the new floor panel are the same with the removed one.
B. Make sure that contour and design the new floor panel have no difference with the removed one.
C. Make sure that the new floor panel has the same contour and dimensions as the removed floor panel.
A. Additional information may follow the check list to make the check list easier(简单) for the pilots to
understand it.
B. The additional information should be followed by the pilots to make better understanding the check list.
C. The additional information is followed the check list to make the pilots better understanding the check list
the pilots should read it in sequence.
A. The factory's policy of providing consulting remains unchanged.
B. The factory has been maintaining technical and component support within the policy scope.
C. The factory's policy on providing technical and component support has change from the past.
A. The fuselage is a semi-monocoque structure
B. The fuselage is a demi-plate.
C. The airframe is of half-shell structure.