Synthetic filament tow only: the tow must be drawn, that is to say, be incapable of being stretched by more than 100% of its length;
合成纤维长丝丝束,须经拉伸处理,即本身不能被拉伸至超过本身长度的一倍;
Synthetic filament tow only: the tow must be drawn, that is to say, be incapable of being stretched by more than 100% of its length;
合成纤维长丝丝束,须经拉伸处理,即本身不能被拉伸至超过本身长度的一倍;
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