Pfi
abbr. power factor indicator 功率因数指示器
🗣️ 情景例句
You bet I have!
我铁定已经钓到了！
Bring it on!
我跟你拼了！
He sent the journalist two more faxes, but received no reply.
他给记者先后发去两份传真，但对方毫无反应。