车站低压配电系统采用交流（）V三相五线制、220V单相三线制方式供电。
参考答案：380
Living things are dying out quickly. Let’s ask ____ destroying them in the past years.
A．what part people have been playing
B．people have played in
C．what part people have played in
D．people have been playing what part
《中华人民共和国循环经济促进法》中循环经济是减量化、再利用、资源化活动的总称，其活动的过程是指（ ）。
A．设计、生产和流通
B．生产、流通和消费
C．设计、生产和消费
D．生产、流通和回用
