腦子想想，電磁彈射，直流電還是交流電產生強大的電磁場？當然是交流電。用直流電隻是因為它穩定、簡單
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy
