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飞环式超速危急保护器
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飞环式超速危急保护器
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超速保护
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flying ring speed emergency protector
飞环式超速危急保护器
当汽轮机转速达到危急保护器规定的动作转速时,飞环飞出,打击脱扣杆件,使危急遮断油门动作,关闭主汽门和调节阀而使汽轮机停机的装置。
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