polyphase system

基本解释

With the development of polyphase systems by Nikola Tesla, the AC system became even more attractive.
随着交流的发展多相系统由尼古拉特斯拉，成为更具吸引力的。
Tesla had read Mark Twain before coming to New York City to invent the 20th century, and the only thing Twain knew of Tesla was his AC polyphase system.
在为创造二十世纪来到纽约前，特斯拉就曾读过马克? 吐温的作品。
Rotor swing polyphase pump is volume type pump, rotor and stator are not contacted mutual when working, maintain certain gap. There is a special lubricating system for bearing and mechanical seals.
转子摆动多相泵为容积式泵，转子与定子在工作时互不接触，保持一定的间隙，泵采用专门的润滑系统，润滑轴承及机械密封。