Manufacturers of high tenacity and fine denier multifilament polypropylene yarns.
制造高韧性和细旦丙纶复丝纱线.
In order to assess the friction of lubricants on multifilament yarns , finish-free yarns are required.
为了评定润滑剂对复丝纱摩擦所起的作用, 要求用不带整理剂的纱作试验.
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