单项选择题
ZXPONC200使用直流()V电源,直流电压允许波动范围为()
A.-48V,-57~-40
B.-48V,-60~-40
C.+48V,-57~-40
D.+48V,-60~-40
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单项选择题
A.-48V,-57~-40
B.-48V,-60~-40
C.+48V,-57~-40
D.+48V,-60~-40
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