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单选题
THE A/C IS ON THE GROUND, ELECTRICAL POWER IS AVAILABLE. THE POWER TRANSFER UNIT (PTU) P/B IS SET TO THE "AUTO" POSITION AND THE YELLOW SYSTEM ELECTRIC PUMP P/B IS SELECTED "ON":
A
The green and yellow hydraulic systems are pressurized.
B
The green and blue hydraulic systems are pressurized.
C
Only the yellow hydraulic system is pressurized.
答案解析
正确答案：A
题目纠错
