A、 Use a fan to suck the gases.
B、 Use a turbine fan to remove the gases.
C、 Use a fan to remove the gases.
答案：C
A、 Use a fan to suck the gases.
B、 Use a turbine fan to remove the gases.
C、 Use a fan to remove the gases.
答案：C
A. Be sure that magnet plate system 1 and magnet plate system 2 are identical.
B. Make sure that compass system 1 and compass system 2 are synchronized.
C. Ensure that magnet plate system 1 and magnet plate system 2 are simultaneous.
A. 当座舱无气流时则可能出现波动。
B. 无气流输送至舱内则有窒息的危险。
C. 因为有窒息的危险所以舱内未曾供气。
A. In designing schematic diagrams, it may be necessary to combine two aspects: specification necessary to make the diagram clear; And the similarity essential for ease of reading and understanding.
B. In designing schematic diagrams, it may be necessary to comprehend two aspects: detection necessary to make the diagram self-contained; And the simplification essential for ease of reading and understanding.
C. In designing schematic diagrams, it may be necessary to compromise two aspects: detail necessary to make the diagram self-explanatory; And the simplicity essential for ease of reading and understanding.
A. The units and components which store, regulate, and deliver oxygen to the passengers and crew include oxygen bottles, relief valves, shut-off valves, outlets, regulators, masks, etc.
B. The units and components which reserve, adjust, and transfer oxygen to the passengers and pilots include oxygen bottles, relief valves, shut-off valves, outlets, regulators, masks, etc.
C. The units and components to store, adjust, and transfer oxygen to the passengers and crew include oxygen bottles, release valves, shut-off valves, outlets, regulators, masks, etc.
A. Do not make the pressure became less than (or more than) 20 psi.
B. Do not let the pressure become less than (or more than) 20 psi.
C. Do not let the pressure close less than (or more than) 20 psi.
A. 在描述飞机行李舱时，应给出装载提示。
B. 在描述飞机行李舱时，应给出压力提示。
C. 在描述飞机行李舱时，应给出加载提示。
A. Lubricate the engine and its accessories with the same brand.
B. Lubricants for the engine and the auxiliary equipment are the same.
C. The engine and the additional devices are greased in a same manner.
A. Put on the electrical power.
B. Energize the ground service network.
C. Pressurize the ground service network.
A. There is always room for improvement in the effort to describe these steps.
B. It is impossible to list all the steps because there is always room for improvement.
C. Describing these steps need to do a lot of work.
A. 测量内侧和外侧襟翼的位移。
B. 计算内测和外侧缝翼的移动。
C. 测量移动的内侧和外侧襟翼。
