“表面有沟槽的”可以翻译为“grooved on the surface” 或者 “with grooves on its surface” 。
例如:
This metal plate is grooved on the surface.(这块金属板表面有沟槽。)
The part has grooves on its surface for better grip.(这个零件表面有沟槽,以便更好地抓握 。)