问题:直接法纺丝生产线首次开车时,最初从熔体管道中排出的熔体为()。...
Tuesday, September 13, 2022
Monday, September 12, 2022
问题:已知计量泵型号为2.4ml×6/转,工作时的转速为22.5转/m...
Monday, September 12, 2022
Monday, September 12, 2022
问题:两个串联的电阻A和B,A的电阻比B大,消耗的功率()大,并联情况下()大。...
Thursday, December 14, 2023
问题:I-QOON FDY热辊的油压开关闭合的压力要求是()。A、0.5BarB、0.7BarC、2BarD、3Bar...
Tuesday, June 27, 2023
Wednesday, May 31, 2023
问题:普通粘胶短纤维与棉纤维相比,具有许多优越性能,下面哪些性能不是它具备的()A、高的吸湿性能B、优良的染色性能C、抗静电性能D、抗变形性能...
Thursday, August 10, 2023
Tuesday, September 13, 2022
Monday, September 12, 2022
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Monday, September 12, 2022
问题:对出现的安全隐患,应及时向工段、班组及相关人员反应。...
Monday, September 12, 2022
问题:在吸枪压空或管线正常的情况下,无论关闭或打开吸枪手柄都无法提高吸...
Tuesday, September 13, 2022
Tuesday, March 28, 2023
问题:处理纺丝盘绕丝时不能(),轻微时可()处理,严重时必须搏开(),再处理。...
Sunday, May 28, 2023
Monday, September 12, 2022
问题:根据工艺要求,纺丝温度的控制偏差是()。A、±0.01℃B、±0.1℃C、±10℃D、±1℃...
Wednesday, July 26, 2023
问题:已知某规格长丝线密度为125dtex,卷绕速度为3300m/min,每个位有8个纺丝头,操作工的生头时间为2.5min,求生头时的废丝量。...
Saturday, March 30, 2024