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制造电缆过程中用一定剂量的X-射线照射,能解决妨碍全球输电网敷设的问题。通常电导线用的绝缘材料——聚乙烯,不适用于电压非常高的直流电,因为电缆往往会被击
The use of a dose of X-ray radiation in the manufacture of cables can solve the problems that prevent the global transmission network from laying. Often the insulation material used for electrical conductors - polyethylene - is not suitable for very high voltage direct current because the cable tends to be struck