白银价格的波动上涨，对以白银为主要原材料的低压电触头行业产生了很大的影响。
High voltage electric contact as the core component in high voltage switch equipments takes the effect of switch, contacting.
白银价格的波动上涨，对以白银为主要原材料的低压电触头行业产生了很大的影响。
High voltage electric contact as the core component in high voltage switch equipments takes the effect of switch, contacting.
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