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step voltage
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step voltage
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step voltage
跨步电压
在接地网散泄电流的情况下,人活动在接地网中或其附近时,两脚之间所承受的电压。
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birthday
birthday attack
birthday bronze mirror for Emperor Xuanzong
Birthday Opera Performance at the Qing Court
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birth-death chain
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BIS
bis (1,5-cyclooctadiene) nickel (0)
bis (2-ethylhexyl) 2,2'-(dioctylstannaediyl) bis (sulfanediyl) diacetate
bis(2-hydroxyethyl)ether
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