氧化铁皮除尘系统排入大气的气体含尘量最大值不超过()mg/Nm3。
A.18
B.20
C.22
D.24
参考答案:B
In relation to the law of contract:
(b) distinguish between a counter-offer and an inquiry. (5 marks)
如果在通信信道上发送1比特信号所需要的时间是0.001μs,那么信道的数据传输速率为
A.1Mbps
B.10Mbps
C.100Mbps
D.1Gbps