一种定义
四种语言
0,1,2
- 德國
- 英語
- 中國
- 西班牙語
浸透 (v)
tränken (v)
impregnate (v)
The impregnated felt inserts provide basic lubrication of the guide.
The reinforcing fibres can be short fibres, long fibres, endless fibres and sometimes pre-impregnated fibres (prepregs) including non-woven fabrics.
