圆盘电阻

南京银城智创BC1圆盘电阻可调

递源美式圆盘负载瓷盘可调电阻

大功率测试滑动圆盘可调电阻器

BC1大功率圆盘可调电阻瓷盘滑动器25W50W100W150W300W500瓦送旋钮

美式圆盘滑动电阻上海金呈

功率美式圆盘可调电阻滑动电位器

BC1滑线滑动变阻大功率测试圆盘可调电阻 25W50W100W150W300W500W

大功率负载瓷盘圆盘可调电阻器滑动变阻器25W50W100W150W300W500W

BC1 红色釉美式瓷盘大功率圆盘可调电阻 25W50W100W150W300W500W

大功率可变欧姆圆盘滑动负载电阻