gravelly surface确切意思是什么？
在加拿大 收到客户邮件： Customer asks wether you have also a HUB with gravelly surface. Because the one one the picture as a very siny surface. 请大家帮忙看看：gravelly surface是什么意思？ very siny surface是什么意思？ 谢谢...华人论坛
在加拿大 收到客户邮件： Customer asks wether you have also a HUB with gravelly surface. Because the one one the picture as a very siny surface. 请大家帮忙看看：gravelly surface是什么意思？ very siny surface是什么意思？ 谢谢...华人论坛