棉与化纤混纺时一般采用()道混并。A、一B、二C、三D、四...
Wednesday, March 13, 2024
Friday, November 10, 2023
Thursday, October 12, 2023
Thursday, January 18, 2024
Wednesday, March 13, 2024
纯棉细纱的质量按国家GB/T398-93标准按()指标评定。A、单纱断裂强力变异系数B、百米重量变异系数C、黑板条干或乌斯特条干均匀度变异系数D、一克内的棉结粒数E、一克纱内的杂质粒数...
Sunday, December 24, 2023
Friday, November 17, 2023
Friday, November 10, 2023
Saturday, May 27, 2023
梳棉机是采用()对纤维产生梳理作用的。A、两个针面B、角钉撕扯C、打手打击D、罗拉牵伸...
Sunday, June 25, 2023
Wednesday, March 13, 2024
Sunday, December 24, 2023
Sunday, June 25, 2023
Sunday, December 11, 2022
Thursday, October 12, 2023
Friday, November 10, 2023
Wednesday, March 13, 2024
罗拉座平面与水平面的夹角称为()。A、罗拉座倾斜角B、导纱角C、气圈顶角D、气圈底角...
Sunday, December 24, 2023
T65/C35的混和公制公定回潮率为()。A、3.235%B、3.72%C、8.9%D、4.45%...
Friday, April 12, 2024
9000m长的纱线在公定回潮率时的重量克数称为()。A、特数B、公制支数C、旦数D、英制支数...
Thursday, January 18, 2024