单项选择题
A.60-7.5tex B.39-10tex C.5-60s D.32-40S
A.抬头短 提纱短 B.引纱短 绕导纱钩短 C.引纱短 提纱短
A.冒头冒脚纱 B.脱圈纱 C.竹节纱 D.压钢领板纱