单项选择题
RRU266/RRU268的工作电压范围是()
A.-36VDC—-57VDC
B.42VDV—58VDC
C.180VAC—240VAC
D.-45VDC—-60VDC
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单项选择题
A.-36VDC—-57VDC
B.42VDV—58VDC
C.180VAC—240VAC
D.-45VDC—-60VDC
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