例句與造句

1. Abstract : this paper introduces the working pinciples of the electro - economizer , in which either alternating or direct current voltage can be input with the adaption to the operating coils of contactor , steady direct current is output , and voltage auto - converting is absorbed and kept withno contacting point
   文摘:論述了與交流接觸器操作線(xiàn)圈適配的交直流輸入(操作)電壓通用，恒直流輸出，吸合與保持電壓無(wú)觸點(diǎn)自動(dòng)轉(zhuǎn)換節(jié)電器的工作原理。
2. It's difficult to find operating coil in a sentence. 用operating coil造句挺難的