Pfm
abbr. power factor meter 功率因数计
🗣️ 情景例句
Can you tell me how to get to the railroad station?
你能告诉我怎样去火车站吗？
I went to visit an uncle of mine in San Francisco.
我去旧金山看望一个叔叔。
Are you a visitor here?
你是来这里旅游的吗？