Pfi
abbr. power factor indicator 功率因数指示器
🗣️ 情景例句
Macro adjustment is needed in a market economy.
市场经济需要宠观调控。
Do now waste them, but use them while they are fresh.
不要浪费了这些，要趁未落伍时善加利用。
The machine was used in a cave near the seashore where -- it is said -- pirates used to hide gold.
在靠近海边的一个据说过去海盗常在里面藏金子的岩洞里，这种机器被派上了用场。