TY - GENERIC DO - UR - http://dx.doi.org/ TI - High Efficiency Covering Technology for Covered Yarns Production: Controlling the Spandex Yarn Draw Ratio T2 - Preprints AU - Feng, Pei AU - Liu, Dashuang AU - Yang, Chongchang PY - 2020 DA - 2020/07/22 PB - Preprints