毛毡

máo zhān gài

毛毡盖

felt covering

máo zhān líng jiàn

毛毡零件

felt element

máo zhān de shàng céng yīng yǔ xià céng chóng dié

毛毡的上层应与下层重叠。

The upper layer of felt should overlap the lower.

zài qín chuí de máo zhān shang zhān shang xiǎo zhēn yǐ shǐ yīn sè yuán rùn

在琴槌的毛毡上粘上小针以使音色圆润。

Sticking small needles into the hammer's felt creates mellowing.