远程实时图像监控中心,前端上传实用带宽应不低于()
A、其本地单路图像录像码流+2M
B、其本地单路图像录像码流+4M
C、其本地单路图像录像码流
D、4M
参考答案:A
Students don't go to school _____ Saturdays. They do their homework _____ home. [ ]
A. in; at
B. on; at
C. in; for
D. on; from
在烟丝干燥工序中,稳定烟丝流量的设备是定量喂料机。