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保护继电器
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保护继电器
Encyclopedia
工学
电力系统安全自动装置
释
protection relay
保护继电器
用于继电保护装置中,当输入量(激励量)的变化达到规定要求时,在电气输出电路中使被控量发生预定的阶跃变化的一种电器。
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optical polarization analyzer
optical polarization calibration
optical polarization-division multiplexing transmission system
optical polarizing coating
optical poling
optical polishing
optical position
optical potential
optical power and energy meter
optical power meter
optical pressure
optical principal points
optical processing
optical processor
optical properties of atmosphere
optical properties of ceramics
optical properties of crystal
optical properties of ground objects
optical properties of helix alignment liquid crystal
optical properties of liquid crystal
optical properties of materials
optical properties of polymers
optical properties of semiconductor
optical property
optical protection coating
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