2683. Some fixed or variable fairings such as those on the nose and tail and between the fuselage and the wing and the stabilizers are aerodynamic fairings

在起落架和尾翼、机身与机翼和安定面之间的一些固定或可变的整流罩结构是气动整流罩。

在机头和尾部、机身与机翼和安定面之间的一些固定或可变的整流罩结构是气动整流罩。

在机头和尾部、机身与机翼和安定面之间的一些固定或可变的整流罩结构是复合材料整流罩。

正确答案：B

设备系统操作理论翻译

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680. That portion of the system used to indicate operation or activation of propeller systems Includes items such as light, switches, etc

679. 在容器的密封表面上涂一层薄薄的密封剂

678. 使用张力计测量控制钢索的张力

677. 飞机驾驶舱位于前压力隔框和前客舱之间

676. Use heat to cure the polysulphide sealant

675. Carefully put the valve assembly in its position and install the spacers and the bolts

674. Verbs are given in the forms that are permitted Do not use verb forms that are not listed

673. The Check list may also contain supplemental information pertinent to the operation of the airplane

672. Maintenance information shall include General procedural instructions and application of protective treatments after inspection

671. Explain how to avoid and notice fuel contamination