Pfm
abbr. power factor meter 功率因数计
🗣️ 情景例句
And you, Susan Stewart,
那么 ，Susan Stewart
The most important festival in China is the Spring Festival.
中国国，最重要的节日是春节。
The silence was suddenly broken when a large car, with its headlights on and its home blaring, roared down the arcade.
宁静突然被打破，一辆大轿车亮着前灯，响着喇叭，呼啸着冲进了拱廊街，