短語詞組短語idle limiter needle work 虛功compensation of idle work 無功補償Idle work capacity market 無功容量市場idle work principle 虛功原理idle work power 無功功率maximum idle work load 最大無功負荷Idle work compensation 無功補償idle work centralized compensation 無功集中補償idle work site compensation 無功就地補償 返回 idle work