问题:绝缘线芯进入交联管加热段,热量是从()传递至内层绝缘。...
Friday, April 19, 2024
问题:电缆绝缘层和半导电屏蔽层交界面是否光滑是影响电缆使用寿命的非常关键的因素。...
Friday, February 3, 2023
Thursday, June 22, 2023
问题:下密封可采用单密封和双密封,双密封密封性比单密封好。...
Sunday, October 1, 2023
Sunday, August 27, 2023
问题:螺杆在旋转时,使塑料预热并破碎,主要是螺杆旋转时的()作用的。A、推力B、剪切力C、圆周力D、反压力...
Saturday, June 17, 2023
Thursday, June 22, 2023
问题:内屏蔽层起均匀电场作用,防止绝缘与导体之间产生间隙而引起局部放电。...
Sunday, April 14, 2024
Saturday, October 14, 2023
问题:悬链线高度和水平距离是两个重要的数据,前者决定厂房的高度,后者是计算悬链线长度的依据。...
Sunday, April 14, 2024
Sunday, August 27, 2023
问题:通过机筒的加热或者冷却,以保证塑料始终在其()范围内挤出。...
Friday, April 19, 2024
Wednesday, March 20, 2024
Friday, April 19, 2024
Saturday, March 25, 2023
问题:内屏蔽层起均匀电场作用,防止绝缘与导体之间产生间隙而引起局部放电。...
Sunday, April 14, 2024
Sunday, April 14, 2024
Saturday, March 23, 2024
Sunday, October 1, 2023
问题:造成塑料在螺槽中的回流和搅拌,是由机头、模具、过滤网的()形成的。A、反压力B、剪切力C、推力D、应力...
Friday, April 19, 2024