以下为句子列表：
英文: Mating corresponding vacuum contactor switch is for electric power, metallurgy, mine, chemical controlling and protecting, it is suitable for location that has bad load and frequent operation.
中文: 配套相应的真空接触器开关可用于电力、冶金、矿山、化工等部门的配电系统作控制和保护，特别适合投切恶性负载和需频繁操作的场所。
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