电压kV为什么k要小写?
<img class="aligncenter" src="d/file/2022-05-03-03/https://zlme.com/wp-content/uploads/2022/05/07-20/20220507124648-62766a3830c04.jpg" img_width="1080" img_height="1407" alt="电压千伏kV中的
<img class="aligncenter" src="d/file/2022-05-03-03/https://zlme.com/wp-content/uploads/2022/05/07-20/20220507124648-62766a3830c04.jpg" img_width="1080" img_height="1407" alt="电压千伏kV中的