一英寸相当于()厘米。A、0.9144B、0.9334C、2.54D、0.98...
Sunday, July 23, 2023
Thursday, March 28, 2024
1515型织机的补纬型式是()A、自动换行B、自动换梭C、人工换梭D、取消梭子...
Friday, March 8, 2024
机构最复杂的织机为()A、喷气织机B、剑杆织机C、多相织机D、片梭织机...
Friday, March 8, 2024
牛奶纤维属于()A、化学纤维B、天然纤维C、蛋白质纤维D、矿物纤维...
Friday, March 8, 2024
片梭织机布边一般采用()A、纱罗绞边B、绳状边C、热熔边D、折入边...
Saturday, May 20, 2023
Thursday, October 26, 2023
对纬纱进行湿热定捻主要是为了()A、增强纬纱强度B、贴伏纬纱毛羽C、使纬纱捻度稳定D、提高纬纱的湿度...
Monday, July 17, 2023
吸湿后,纤维强力大大减小的是()A、棉B、粘胶C、麻D、丙纶...
Friday, March 8, 2024
Thursday, October 26, 2023
Thursday, October 26, 2023
Wednesday, March 15, 2023
以下疵点哪种是织前准备工序造成()A、破洞B、跳花C、了机经缩D、断疵...
Thursday, March 28, 2024
棉纤维的横截面形态特征为()A、平直管状B、相同方向螺旋形转曲C、腰圆形D、螺旋形转曲不断改向...
Friday, March 8, 2024
Tuesday, August 29, 2023
目前彩棉种植较成功的颜色是()A、绿色和咖啡色B、黄色和绿色C、红色和黄色D、绿色和蓝色...
Wednesday, April 19, 2023
以下哪种纤维在自然环境中降解,而不对环境造成污染()A、涤纶B、腈纶C、玉米纤维D、丙纶...
Thursday, March 28, 2024
Thursday, March 28, 2024
机构最复杂的织机为()A、喷气织机B、剑杆织机C、多相织机D、片梭织机...
Friday, March 8, 2024
检验织物密度时,一般检验()厘米内的根数。A、10B、2C、3D、5...
Thursday, March 28, 2024