发射机的载频功率小于25W时,任何离散频率的杂散辐射功率不超过C,大于25W时,应低于发射载频功率()。
A、55dB
B、70dB
C、2.5uW
D、5uW
参考答案:B
---So you haven't read the information form?
---_________makes the matter worse is that I don't have a single copy.
A.It
B.What
C.That
D.Which
煤气设施吹扫置换的措施?