用一個清洗工業零件的超聲波頭子,放到水裏,飄上來的都是小魚,大魚大概不怕超聲波,不過那水混得連死魚都看不見。
用一個清洗工業零件的超聲波頭子,放到水裏,飄上來的都是小魚,大魚大概不怕超聲波,不過那水混得連死魚都看不見。
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