“根数”造句

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