Blade streak: Paper defect which is similar to a blade scratch but larger and caused by a larger particle.

刮刀条纹：和刮刀痕相似的纸张故障，但较为明显。

youdao

Blade scratch Paper defect where there is a hair-like indentation in a coated surface running in grain direction. Caused by a particle lodged behind the blade during coating.

顺着纸纹方向，纸面的涂层有着像头发丝的凹痕故障。起因是在涂布时有一颗料积聚在刮刀后面所致。

youdao

Blade scratch Paper defect where there is a hair-like indentation in a coated surface running in grain direction. Caused by a particle lodged behind the blade during coating.

顺着纸纹方向，纸面的涂层有着像头发丝的凹痕故障。起因是在涂布时有一颗料积聚在刮刀后面所致。

youdao