例句與造句

1. Polyphase power is particularly useful in commutators, high-maintenance brushes and characteristics unsuitable for operation on an alternating current network.
2. The working scaled system allowed the public a view of a system of polyphase power which could be transmitted over long distances, and be utilized, including the supply of direct current.
3. No, you don't, because anything that is meant for polyphase power is called out, and everything else is for single-phase loads . " You adamantly refused to read it in context and misconstrued it as a lie.
4. It's difficult to find polyphase power in a sentence. 用polyphase power造句挺難的