MHYA32 、矿用电缆MHYAV，mhyv 20*2*0.8 30*2*0.8 MHYA32 、矿用电缆MHYAV，mhyv 20*2*0.8 30*2*0.8 MKVV|天津市电缆总厂第一分厂

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