Sunday, April 14, 2024
问题:上牵引是保持恒速运动,调节悬链线形状和张力均由下牵引轮承担,下牵引接受悬链传感器发出信号。...
Friday, April 19, 2024
Sunday, August 27, 2023
问题:对于型号YJV22表示铜芯交联聚乙烯绝缘钢带铠装聚氯乙烯护套电力电缆。...
Friday, February 3, 2023
Saturday, June 17, 2023
问题:过氧化物的分解温度既要高于其本身的熔点,又要高于聚乙烯的熔点。...
Saturday, March 25, 2023
问题:聚乙烯经过交联后,它的耐热和机械性能大幅度地提高,是目前理想的绝缘材料。...
Saturday, October 14, 2023
问题:塑料在加料段的温度不能过高,否则会在加料口引起料的堵塞。...
Sunday, October 1, 2023
问题:交联管加热段的鼓风机主要作用是在正常生产过程中,保持加热段温度均匀。...
Sunday, April 14, 2024
Monday, March 18, 2024
Wednesday, March 20, 2024
问题:交联电缆导体使用的导体材料,首先必须具有良好的导电性能。...
Saturday, March 23, 2024
Friday, February 3, 2023
问题:过氧化物交联聚乙烯中的聚乙烯基料,通常采用熔融指数为0.5左右的高密度聚乙烯。...
Friday, April 19, 2024
问题:交联聚乙烯绝缘热延伸测试条件是()。A、135℃,15minB、175℃,30minC、200℃,15minD、200℃,5min...
Friday, April 19, 2024
Saturday, June 17, 2023
Sunday, August 27, 2023
Sunday, April 14, 2024
问题:经过交联后,它的耐热和机械性能大幅度地提高,是目前()的绝缘材料。...
Monday, March 18, 2024
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