copper graphite electrical contact material
copper graphite electrical contact material
铜石墨电接触材料
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Ltd Electrical Alloy Company of which the main products involve tungsten-base contact material, integrated contact, silver-base contact material. SF6 breaker contact, copper-graphite contact etc.
其主导产品有：钨基触头材料、整体电触头、银基触头材料、SF 6断路器电触头、铜-石墨触头等产品。
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