1)front draft,前牵伸2)Front Draft Zone,前牵伸区3)Front Zone Drafting,前区牵伸4)main draft in front zone,前区主牵伸5)main draft in front zone,前置式牵伸6)Rubber-covered Roll Forward Motion Draft,前冲型牵伸
用法和例句
Processing Practice of Rubber-covered Roll Forward Motion Draft in Spinning Frame