- 第(Di)一(Yi)步(Bu)是(Shi)成(Cheng)形(Xing)加(Jia)捻(Nian),(?)即(Ji)把(Ba)多(Duo)个(Ge)单(Dan)纱(Sha)经(Jing)过(Guo)成(Cheng)形(Xing)机(Ji)械(Xie)加(Jia)捻(Nian)成(Cheng)一(Yi)股(Gu);(?)
- 第(Di)二(?)步(Bu)是(Shi)整(Zheng)股(Gu)加(Jia)捻(Nian),(?)即(Ji)把(Ba)已(Yi)经(Jing)成(Cheng)形(Xing)的(De)纱(Sha)线(Xian)再(Zai)次(Ci)加(Jia)捻(Nian)成(Cheng)合(He)股(Gu),(?)使(Shi)之(Zhi)缩(Suo)短(Duan)而(?)增(Zeng)强(Qiang)其(Qi)强(Qiang)度(Du)。(?)而(?)在(Zai)成(Cheng)形(Xing)加(Jia)捻(Nian)的(De)过(Guo)程(Cheng)中(Zhong),(?)又(You)可(Ke)以(Yi)分(Fen)为(Wei)两(Liang)种(Zhong)方(Fang)式(Shi):(?)单(Dan)向(Xiang)加(Jia)捻(Nian)和(He)双(Shuang)向(Xiang)加(Jia)捻(Nian)。(?)单(Dan)向(Xiang)加(Jia)捻(Nian)指(Zhi)的(De)是(Shi)在(Zai)成(Cheng)形(Xing)机(Ji)上(Shang)以(Yi)同(Tong)一(Yi)方(Fang)向(Xiang)加(Jia)捻(Nian);(?)双(Shuang)向(Xiang)加(Jia)捻(Nian)则(Ze)是(Shi)以(Yi)相(Xiang)反(Fan)方(Fang)向(Xiang)加(Jia)捻(Nian)。(?)
- 增(Zeng)加(Jia)丝(Si)线(Xian)的(De)强(Qiang)力(Li)和(He)耐(Nai)摩(Mo)擦(Ca)性(Xing)能(Neng),(?)以(Yi)减(Jian)少(Shao)起(Qi)毛(Mao)和(He)断(Duan)头(Tou),(?)提(Ti)高(Gao)丝(Si)织(Zhi)物(Wu)的(De)牢(Lao)度(Du)。(?)
- 使(Shi)丝(Si)线(Xian)具(Ju)有(You)一(Yi)定(Ding)的(De)外(Wai)形(Xing)和(He)花(Hua)色(Se),(?)赋(Fu)予(Yu)织(Zhi)物(Wu)外(Wai)观(Guan)以(Yi)折(Zhe)光(Guang)、(?)绉(Zhou)纹(Wen)、(?)毛(Mao)圈(Quan)等(Deng)效(Xiao)应(Ying)。(?)
- 增(Zeng)加(Jia)丝(Si)线(Xian)的(De)弹(Dan)性(Xing),(?)提(Ti)高(Gao)织(Zhi)物(Wu)的(De)抗(Kang)皱(Zhou)性(Xing)能(Neng)和(He)透(Tou)气(Qi)性(Xing)((?)强(Qiang)捻(Nian)面(Mian)料(Liao))(?),(?)并(Bing)使(Shi)织(Zhi)物(Wu)穿(Chuan)着(Zhuo)凉(Liang)爽(Shuang)、(?)舒(Shu)适(Shi)。(?)