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单选题
42. The airborne power plants generate and supply a single type or combination of auxiliary electric, hydraulic, pneumatic or other power
A
The airborne power plants generate and supply a or some power of auxiliary electric, hydraulic, pneumatic or other power.
B
The airborne power plants supply and distrubt a single type or combination of auxiliary electric, hydraulic, pneumatic or other power.
C
the auxiliary electric, hydraulic, pneumatic or other power is generated and supplid by a or several APU
答案解析
正确答案：A
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