thread guide meaning in English

导丝器导纱器
导线器
引线器

Thread guides . eyelets , rods , tubes and pig tail guides . recommanded values
导纱器.洞眼轴管和猪尾形导纱器.推荐值
Under the reasonable and clear thread guide structure , threads are led in a straight yarn path . this has reduced and avoided change of tension in the course of twisting
合理、清晰的导丝结构,过丝采用直线纱道,减少和避免在并合过程中的涨力变化