... switchgear配电装置 switching impulse withstand voltage操作冲击耐受电压 switching no-load long line test分合空载长线测试 ...
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标准操作冲击耐受电压 standard switching impulse withstand voltage
统计操作冲击耐受电压 statistical switching impulse withstand voltage
惯用操作冲击耐受电压 conventional switching impulse withstand voltage
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