TCR雪花纱，TC雪花纱，TR雪花纱，CVC雪花纱，CTR雪花纱，TCR常规比列有50/38/12,50/25/25,TC常规比列有70/30,65/35/,60/40,TR常规比列65/35,50/50,CVC常规比列有55/45,60/40,65/35,CTR常规比列有60/25/15,50/25/25,