一般喷丝头细孔的数量决定了纱中长丝的根数.Usually the number of holes in the spinneret determines the number of filament in the yarn.捻度不够, 在纱截面内纤维根数不足.Insufficient twist, inadequate number of fibers in the yarn cross - section....

“根数”的英语可以翻译为：[数] radical，root ...

“根数”的拼音为：gēn shù...