工程图纸里,A1图纸的幅面是()mm。
A、84131189
B、5943841
C、4203594
D、2973420
参考答案:B
Don't _____ too late, or you'll be tired during daytime. [ ]
A. get up
B. set up
C. stay up
D. show up
远程抄表系统由监控中心、集中器、采集器、远传燃气表组成。