A、 Make sure that the position of the wing flaps is symmetrical.
B、 Make sure that the wing flaps must move symmetrically at all time.
C、 The wing flaps are moved to the symmetrical position.
答案:A
A、 Make sure that the position of the wing flaps is symmetrical.
B、 Make sure that the wing flaps must move symmetrically at all time.
C、 The wing flaps are moved to the symmetrical position.
答案:A
A. 可以通过拆下保护盖来接近机械装置
B. 重新安装保护盖来接近机械装置
C. 拆下保护盖来获得机器
A. 如果大型插图水平放置,索引批注和标题最好是径向放置
B. 尽管大型插图水平放置,索引批注和标题最好是垂直放置
C. 因为大型插图横向放置,索引批注和标题最好是垂直放置
A. Do these two steps at the same time;
B. Do these two steps step by step;
C. Do these two steps one after another;
A. The pressure and velocity of air increase when it flows through the comressor.
B. The pressure of air decreases when it flows through the comressor.
C. The pressure of air increases when it flows through the comressor.
A. 每一个点处的宽度和深度值不能小于30
B. 每一个点处的宽深值不能大于30
C. 每一个点处的宽深比不少于30
A. In the maintenance manual, this section shall cover subjects such as power plant buildup, teardown, etc.
B. In the overhaul manual, this section shall cover subjects such as power plant buildup, teardown, etc.
C. In the overhaul manual, this section have to cover subjects such as power plant buildup, teardown, etc.
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. If an annunciator panel TRANSIT light fails to illuminate while the corresponding device is in motion, then this light must be considered inoperative.
B. When related device is in operation and if annunciator panel TRANSIT light comes on so this light does not work.
C. The light is considered to be available if the annunciator panel TRANSIT light goes off when the related device is in motion.
A. was not; was
B. does not; are
C. did not; was
A. Detailed information on more complex and specialized subjects, such as Structural Wiring Diagrams or Overhaul Information, may either be included in the basic Maintenance Manual or made available as separate documents at the option of the manufacturer and to the extent the manufacturer determines appropriate.
B. Detailed information on more complex and specialized subjects, such as Structural Wiring Diagrams or Overhaul Information, may neither be included in the basic Maintenance Manual or made available combined with documents at the option of the manufacturer and to the extent the manufacturer recommend appropriate.
C. Detailed information on more complex and specialized subjects, such as Structural Wiring Diagrams or Overhaul Information, may either be included in the basic Maintenance Manual or made available as separate documents at the option of the manufacturer and to the extent the manufacturer advise appropriate.