Prior to assembly, grooves were made in the shelf, base, and sides to accommodate the back panel.

在组装之前，隔板、底座和侧面已开槽以便与背板相嵌。

It has 11-12 costal grooves.

它有11到12个肋沟。

Sliding doors move in grooves.

滑动门在槽沟中移动。

Wheels leave grooves in dirt roads.

车轮在泥路上留下凹痕。

The needle has jumped several grooves.

唱针跳过了几道纹路。