The matt or web of fibers may be fed into the punching area on a substrate of filaments, a scrim, or some other substrate, the substrate also may be placed in the middle of the fiber web.

  • 纤维网可在长丝衬、稀疏平布或其它衬料的托持下进入针刺区。衬料也可置于纤维网的中间。

  • provided by jukuu 2025-01-20 13:04:23

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