uncovering

After uncovering of treble part we see valves underlaid by felt.

在露高音部分以我们看见毛毡支持阀门。

The media uglified Henan not only for reflecting the reality of Henan, but for serving the political struggle, that is, uncovering the gloominess of the stratocracy.

这种对河南形象“丑”，是为了单纯反映河南当时现实，重点是服务于政治斗争要求，露军阀统治黑暗，有其合理性。