A、 If the valve is the source of the fuel leak, discard the valve seals and install new ones.
B、 If the fuel leaks out of the valve, reinstall the valve seals.
C、 If the fuel leak flows towards the valve, discard the valve seals and install new ones.
答案：A
A、 If the valve is the source of the fuel leak, discard the valve seals and install new ones.
B、 If the fuel leaks out of the valve, reinstall the valve seals.
C、 If the fuel leak flows towards the valve, discard the valve seals and install new ones.
答案：A
A. 用正确的公式计算压力。
B. 用合理的方式计算压力。
C. 用适用的公式计算压力。
A. 格式和布局应由CAP编写者决定,且应与CAP编写者现有文件的格式和布局相似
B. CAP编写者决定格式和排版,并认可与编写者现有文件格式类似的格式和排版
C. 确认与CAP编写者的现有文件相似后,由CAP编写者批准确定表格和设计
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 basis to the revisions which are consistent with the format of the specification.
C. To make revisions consitent with the format of the specification, the provions of FAR 21.50 should be adopted as a basis.
A. 需每隔一年就清理一下过滤器。
B. 有必要持续清理过滤器。
C. 有必要定期清理过滤器。
A. The complexity and stringency of this test or check are different from the operation conditions of the unit.
B. The test or check will change in complexity and stringency no matter what the conditions under which the unit operates.
C. Such tests or checks will vary in complexity and stringency according to the conditions under which the unit functions.
D.
E.
F.
G.
H.
I.
J.
解析：
A. A body whose position changes with time is said to be moving.
B. If a body change its position with time, it is considered to move.
C. If a body is changing its position and time, it is said to be moved.
A. Aircraft alternation defines as the modification of structure or components of the aircraft.
B. Aircraft hangar maintenance contributes to the aircraft alternation.
C. Aircraft alternation includes major or minor alternation, which is the modification of an aircraft’s structure or component without changing to the flight characteristics.
A. Make sure that the service control unit is in the open position.
B. Make sure that the servo control unit is in the right position.
C. Make sure that the servo control unit is in the open position.
A. 应使用能产生黑白图像的打印格式来进行复制。
B. 应使用能产生黑白图像的打印形式来进行印刷。
C. 应使用能产生黑白图像的打印形式来进行复制。
A. Only the flow direction arrow on the valve can prevent incorrect installation.
B. A male and female flange are used to prevent the IPCV from incorrect Installation. The flow direction arrow on the valve can not do the same function expect for showing the flow direction.
C. Either the male and female flange or the flow direction arrow can prevent incorrect installation.
