单选题SSB发射机末级采用金属陶瓷管放大器时，末级功放应工作于（）.A甲类B乙类C甲乙类D丙类
单选题
SSB发射机末级采用金属陶瓷管放大器时，末级功放应工作于（）.
A
甲类
B
乙类
C
甲乙类
D
丙类
参考解析
解析：
暂无解析
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