A、发动机试车时,如人员需接近发动机(最小慢车渗漏测试),必须进入接近通道
B、当人员接近通道时,发动机运转功率不能高于慢车
C、安全起见,建议使用安全绳索,进气道栅栏或进气道保护罩
D、以上都是
答案:D
A、发动机试车时,如人员需接近发动机(最小慢车渗漏测试),必须进入接近通道
B、当人员接近通道时,发动机运转功率不能高于慢车
C、安全起见,建议使用安全绳索,进气道栅栏或进气道保护罩
D、以上都是
答案:D
A. 当控制手柄到 DN 位时,齿轮箱壳体会打开,齿轮松开并退出,壳体关闭。
B. 当控制手柄处于 DN 位置时,起落架舱门会打开,起落架解锁并伸出,然后舱门关闭。
C. 将控制手柄推到 DN 位置时,货舱门将打开,传动装置解锁可用,收回后则关闭。
A. 这些测试可能需要额外的地面支持设备,操作测试应该比该测试更加具体和详细。
B. 这些测试可能需要提供地面支持设备,并且应该比操作测试更加专业和详细。
C. 这些测试可能需要额外的地面支持设备,并且应该比操作测试更加具体和详细。
A. 因此,无论该手册是一个大飞机或小飞机的维修手册或线路图手册,希望获得有关燃油系统指示部分信息的人员 应该参考第 28 章,燃油。
B. 因此,无论该手册是有关大飞机或小飞机的维护手册或接线图手册,人们希望有关指示部分的燃料系统的信息要 参考第 28 章,燃料。
C. 这样一来,无论是大飞机还是小飞机,无论是的维修手册还是线路图手册,人们可以参考第 28 章,燃油,获得有关燃油系统指示部分的信息。
A. 这盏灯不能点亮。
B. 这盏灯发出微弱的光。
C. 这盏灯的灯光逐渐微弱。
A. Outside air temperature is the free air static temperature , acquired either from inflight temperature indications or ground geological sources, modified by instrument error and compression effects.
B. Outside air temperature is the free air static temperature, derived either from infight temperature indicators or ground methodological sources, modulating instrument error and compressibility effects.
C. Outside air temperature is the free air static temperature, obtained either from temperature indications onboard of ground meteorological sources, adjusted for instrument error and compressibility effects.
A. Write the temperature on the engine record card.
B. Record the temperature of the engine until writing it on the card.
C. Recording the temperature of the engine is done by writing it on the card.
A. The numbering of paragraphs and sub paragraphs within a section is not required.
B. No numbers of paragraphs and sub paragraphs is required in a section.
C. The numeral order of the paragraphs and sub paragraphs is unnecessary in a section.
A. The manufacturer shall prepare all text in either one or two columns with justification at his own discretion, but two columns are preferable for readability.
B. Manufacturers shall prepare all text both in one and two columns separately, however, two columns are better for reading.
C. According to the manufacturer explanations all text shall be prepared in one or two columns, however, two columns have better visual effect.
A. Turn the knob clockwise to decrease the intensity of the light.
B. Turn the knob counterclockwise to decrease the Intensity of the light.
C. In order to turn the knob clockwise, decrease the intensity of the light.
A. 中心句是一篇文章的第一句,也是最重要的一句。
B. 总结句是一节内容的第一句,也是最重要的一句。
C. 主题句是一段话的第一句,也是最重要的一句。