×
单选题
The Hydraulic Power Transfer Unit system is a hydraulic motor-pump assembly that supplies alternative pressure to leading edge flaps and slats and autoslat system if system B is de-pressurized.
A
如果B系统释压，液压动力传感组件系统就是一个提供备用压力到前缘襟翼和缝翼以及自动缝翼系统的液压马达泵组件。
B
液压动力转换组件系统是一个液压马达泵组件，在系统B释压时，为前缘襟翼和缝翼以及自动缝翼系统提供备用压力。
C
如果B系统增压，液压动力传感组件系统就是一个提供备用压力到前缘襟翼和缝翼以及自动缝翼系统的液压马达泵组件。
答案解析
正确答案：B
相关题目
单选题
Depressurize the hydraulic system.
单选题
Remove the bolt and the stop.
单选题
Cracks can have a maximum length of five inches.
单选题
Increase the temperature to decrease the cure time.
单选题
Do not omit nouns to make sentences shorter.
单选题
The side stay assembly has two folding toggles hinged together.
单选题
Remove and discard the preformed packing.
单选题
In procedures, give short, clear instructions and address the reader directly.
单选题
We do not use additives in this product.
单选题
The computer calculates the energy consumption from these values.
