resistance decade box十进制电阻箱;十进制电阻盒
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leakage resistance of box culvert箱涵防渗漏
The load of resistance box is also ameliorated more. Many advantages are advanced, such as perfect function, terse operation, thus having very high economic and social benefits.
该试验台不仅可以提高检测精度、降低功耗,对电阻箱负载也做出了进一步的改进,使得该试验台功能完善、操作简捷,具有很高的经济和社会效益。
参考来源 - 新型铁路客车发电机控制系统试验台的研究