通过实验测得了加捻管的机械加捻撩效率，从而得出了影响纱线捻度和加捻效率的主要因素。
Experiments have been done to measure the mechanical efficiency of the tube twister and to determine the main reason affecting the yarn twist and the twisting efficiency.
通过实验测得了加捻管的机械加捻撩效率，从而得出了影响纱线捻度和加捻效率的主要因素。
Experiments have been done to measure the mechanical efficiency of the tube twister and to determine the main reason affecting the yarn twist and the twisting efficiency.
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