A.絲結(jié)B.繞輥絲C.尾絲D.未拉伸絲
A.伸長不勻率B.長度不勻率C.卷曲不勻率D.干熱不勻率
A.≤2.0mg/100gB.≤6.0mg/100gC.≤8.0mg/100gD.≤15.0mg/100g