To sand flat edges or complex profiles, whether solid veneer or substrate material.

砂光平面边部或剖面，实木单板或基材。

youdao

Pneumatic squaring head can square the sawtooth edge produced by disc heads, with smooth and flat edges.

其中气动修边能有效地消除碟形磨边所产生的锯齿状边，使砖坯周边光滑平整。

youdao

If seams are not fell flat, you must ensure seams are serged to cover the raw edges.

如果接缝不是外包边，必须确保缝头锁边。

youdao

It differed from related mosses because of its round-tipped leaf tips and flat leaf edges.

BBC: Welsh Bristle-moss

While the screen's surface is completely flat, the edges curve around gently, forming a rounded back.

ENGADGET: Nokia Lumia 620 review: precisely what an entry-level smartphone should be

Dr Stefanov and his colleagues (or, rather, their computers) looked for the boundaries between densely developed areas, which reflect a lot of light because of all the edges and flat surfaces that people like to create, and those with more vegetation, which appear dark by comparison, as nature prefers curves.

ECONOMIST: Urban geography