A、 Make sure that chemical compound are not near the engine nozzle.
B、 Make sure that solvents are not near the engine exhaust.
C、 Make sure that there's no isopropyl alcohol near the engine exhaust port.
答案：B
A、 Make sure that chemical compound are not near the engine nozzle.
B、 Make sure that solvents are not near the engine exhaust.
C、 Make sure that there's no isopropyl alcohol near the engine exhaust port.
答案：B
A. 位置计算是指系统中结合航行信息来计算飞机地理位置的部分,包括航向计算机等部件。
B. 位置计算是指系统中组合导航信息来预测飞机地理位置的部分,包括航道计算器等部件。
C. 位置计算是指系统中利用航行信息来估算飞机地理位置的部分,包括计算机基础课程等项目。
D. C.位置计算是指系统中利用航行信息来估算飞机地理位置的部分,包括计算机基础课程等
E. C.位置计算是指系统中利用航行信息来估算飞机地理位置的部分,包括计算机基础课程等项目。
A. 这种防腐剂在华氏 109 度时融化。
B. 这种密封胶在华氏 109 度时燃烧。
C. 这种混合物在华氏 109 度时气化。
A. The Check List may be designed by "Challenge" and "Response" headings or by "Item" and "Condition" headings for two pilot airplanes or for single pilot Airplanes.
B. The Check List for the pilot may be set by "Challenge" and "Response" headings for two airplanes or by "Item" and "Condition" headings for single Airplane.
C. For two pilot airplanes,"Challenge" and "Response" headings may be used on the Check List.For single pilot Airplanes,"Item" and "Condition" headings may be used.
A. 空中模式设定 30 秒后飞行开始。
B. 飞行开始 30 秒后可以进入空中模式。
C. 当探测到空中模式超过 30 秒,飞行开始。
A. 使用力矩扳手间隔拧紧螺栓。
B. 使用扭力扳手按顺序拧紧螺栓。
C. 使用扭矩扳手逐步拧紧螺栓。
A. 螺旋桨系统包括完整的机械或电气驱动螺旋桨、泵、马达、调速器、交流发电机,以及用于控制桨叶角的发动机外部或与发动机一体的组件和部件。
B. 螺旋桨系统包括完整的机械或电动螺旋桨、泵、马达、调速器、交流发电机是用来控制桨叶角的发动机外部或整体的组件和部件。
C. 螺旋桨系统包括完整的机械或电动螺旋桨、泵、马达、调速器、交流发电机和那些组件和部件,都位于发动机外部,或者与发动机是一个整体,用于控制桨叶角。
D. B.螺旋桨系统包括完整的机械或电动螺旋桨、泵、马达、调速器、交流发电机是用来控制桨叶角的发动机外部或整体的组件和部件。
E. C.螺旋桨系统包括完整的机械或电动螺旋桨、泵、马达、调速器、交流发电机和那些组件和部件,都位于发动机外部,或者与发动机是一个整体,用于控制桨叶角。
A. If a word is only understood by a very small number of people in a specific technical area,it will cause interference in communication.
B. If a word is only understood by a very small number of people in a specific technical area,it will cause disturbing in negotiations..
C. If a word is only understood by a very small number of people in a special skill area,it will cause interference in communication.
A. Do not omit articles to make the sentence shorter,because this can cause ambiguity.
B. Do not make the sentence shorter to omit articles,because this can cause ambiguity.
C. Do not omit articles to avoid ambiguity,because this can make the sentence shorter.
A. When there are too many positive or subtractive pressure in the fuel tanks,the pressure relief valve eliminates damage to the wing structure.
B. When there is too much plus or minus pressure in the fuel tanks,the pressure relief valve previews damage to the wing structure.
C. The pressure relief valve prevents damage to the wing structure when there is too much positive or negative pressure in the fuel tanks.
A. The word given in the approved examples is not controlled
B. The word given in the approved examples is not mandatory
C. The word given in the approved examples is not a must
