看介绍,这个气球可不简单. 那个气球材料一般公司就做不了, 必须轻. 超强韧性与强度.说气球里那个氦气也是贵的很
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
