问题
名词解释
有功
答案
参考答案:
在交流电能的发、输、用过程中,用于转换成非电、磁形式的那部分能量叫有功。
有功
参考答案:
在交流电能的发、输、用过程中,用于转换成非电、磁形式的那部分能量叫有功。
用方框中词的正确形式填空。
1. He said _____ she could come for more help after school. 2. I want to be a professional soccer player, so I _____ practice a lot now. 3. _____ there be much time between the two baseball games? 4. Alan was doing homework _____ I arrived. 5. _____ it is fine tomorrow, we'll go the Great Wall. |