×
单选题
If you install the upper drag strut incorrectly, it will hit the lower drag strut during retraction.
A
The correction installation of the upper drag strut can prevent the retraction of the lower drag strut.
B
If the upper drag strut is installed improperly, the lower one will be hit during retraction.
C
The removal of the upper drag strut has to be done properly so that the lower one can fully extend.
答案解析
正确答案：B
相关知识点：
上阻力支柱装错下支柱受撞
相关题目
单选题
Operation of the handle releases the gas, and the slide-raft inflates.
单选题
Check entire system to determine the cause of interference.
单选题
Encircle each screw hole with sealant.
单选题
If the hydraulic pump does not give a pressure of 3000 psi, use the electric pump.
单选题
Remove the sleeve to release the sliding tube.
单选题
It is not permitted to install more than two washers for each bolt.
单选题
The operator uses an external joystick and control panel to set the configuration and operate the system.
单选题
The Boeing 747 marked the beginning of a new era in air transport.
单选题
Do the troubleshooting procedure to find the cause of the malfunction.
单选题
Describing the steps is a job that may leave much to be desired.
