Pfi
abbr. power factor indicator 功率因数指示器
🗣️ 情景例句
I have a customer for your first wedding dress.
我已经有了 的第一套结婚礼服的顾客。
Our guarantee covers maintenance for both parts and labor.
我们的保证是包括更换零件和免费保养。
I think you probably know China has adopted a flexible policy in her foreign trade.
我想你也许已经了解到中国在对外贸易中采取了灵活的政策。