Crushing: Paper defect affecting a small area and showing as a visible surface fault.

压痕：纸面故障，它影响的面积小，但瑕疵显。

youdao

Crushing: Paper defect affecting a small area and showing as a visible surface fault.

压痕：纸面故障，它影响的面积小，但瑕疵显。

youdao