這類的電氣元件，都是防鬆動的設計，有鎖扣裝置，也即非斷即連的結果，怎能說鬆就鬆了呢
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
