字小、坡度大，是保护液过多、转速慢的原因所致。

Small, slope, and aim at Word, is a protective solution too much, the rotational speed.

youdao

字小、坡度大，是保护液过多、转速慢的原因所致。

Small, slope, and aim at Word, is a protective solution too much, the rotational speed.

youdao