问题:纸包线的绝缘层仅有三层纸带时,必须全部采用()。...
Saturday, January 25, 2025
Friday, June 28, 2024
Monday, March 25, 2024
Saturday, January 25, 2025
问题:《铠装电缆用冷轧钢带》标准编号为GB4175.1,《铠装电缆用镀锌钢带》标准编号为GB()。...
Wednesday, January 17, 2024
问题:纸绝缘重叠绕包中,其它参数不变,重叠值随绕包节距的增大而()。A、变大B、不变C、变小D、无关...
Friday, August 1, 2025
问题:高压电缆的纸包张力,应随纸盘直径的减小而()。A、减小B、增大C、不变D、减小至零...
Saturday, April 13, 2024
问题:电话纸的型号表示为()。A、DLZB、GDLC、TLZD、DH...
Tuesday, July 16, 2024
Thursday, February 22, 2024
问题:()浸渍漆属于F级绝缘漆。A、改性醇酸B、改性聚酯C、聚胺-酰亚胺D、有机硅...
Wednesday, December 25, 2024
问题:根据纸盘和导体线芯相对位置的不同,纸包头可分为哪五种形式?...
Sunday, May 19, 2024
问题:高压电缆纸的型号表示为()。A、DLZB、GDLC、TLZD、DH...
Monday, June 17, 2024
Tuesday, June 4, 2024
Friday, May 16, 2025
Tuesday, July 16, 2024
Friday, August 1, 2025
问题:编织机按其运动形式可分为锭子式编织机和()式编织机。...
Friday, March 15, 2024
问题:金属带分切刀具调整过程中,切口处的上下刀具平面间距一般为()mm。A、0.01~0.02B、0.02~0.03C、0.03~0.04D、0.04~0.05...
Friday, June 28, 2024
问题:纸的含水量在()%时,其拉断力和伸长率最佳。A、6~8B、8~10C、10~12D、10~16...
Wednesday, December 25, 2024
问题:当纸包头旋转一周,绝缘线芯沿中心轴线所前进的距离称为()。A、节径比B、纸包节距C、绞入率D、纸包间隙...
Thursday, April 4, 2024