A、 Check the servo controls every 400 flight cycles.
B、 Examine the servo controls at intervals of 400 flight hours.
C、 Inspect the feedback controls every 400 flight hours.
答案：B
A、 Check the servo controls every 400 flight cycles.
B、 Examine the servo controls at intervals of 400 flight hours.
C、 Inspect the feedback controls every 400 flight hours.
答案：B
A. Let the temperature of the component increase until it is the same as the ambient temperature.
B. Let the temperature of he component decrease until it is the same as the ambient temperature.
C. Let the temperature of the compound decrease until it is the same as the ambient temperature.
A. 批准的形容词以其基本形式给出,在实际应用的过程中,在括号标注内其最高级和比较级形式。
B. 批准的形容词以其基本形式给出,在适用的情况下,其比较级和最高级形式要标注在括号内。
C. 形容词会以其批准的基本形式给出,在适当的时候,也可给出其比较级和最高级形式。
A. Be patient while the door is opening.
B. Be aware of the door when it is opening.
C. Be careful while the door is opening.
A. 确保密封剂被完全挤出接触面边缘。
B. 确保沿接触面边缘待续涂抹封严胶。
C. 确保封严胶沿接触面边缘不断挤出
A. 如果您认为雪堆会倾倒,请确保车辆处于适用的配置。
B. 如果您认为会下雪,请确保车辆处于适用的配置。
C. 如果您认为会下雪,请确保车辆处于应用限制。
A. 确保没有剪断操纵钢索。
B. 确保没有关断控制电源。
C. 确保没有连接控制电缆。
A. Apply a load to the panel until it moves into position with a click.
B. Bear down on the panel until it moves into place with a click.
C. Use a load to the panel until it moves into position with a click.
A. 总的来说,然而,最好完全遵循以下各章的安排和细目分类,并应在所有手册中尽最大可能。
B. 总的来说,然而,最好统一遵循以下各章的安排和细目分类,并应在所有手册中尽最大可能。
C. 总的来说,然而,最好准确遵循以下各部分的安排和细目分类,并应在所有手册中尽最大可能。
A. Relatively single units may not require descripted and operated.
B. Opposite simple units may not require description and operation.
C. Relatively simple units may not require description and operation.
A. If abbreviations have special meanings, they may be used.
B. Abbreviations should not be used if they are universally meaningful.
C. Only use abbreviations whose meanings are generally recognized.
