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anti-fall safety device for lifting machinery
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anti-fall safety device for lifting machinery
Encyclopedia
工学
特种设备安全保护装置
释
anti-fall safety device for lifting machinery
起重机械防坠安全器
当起重机械的承载平台(轿厢)下坠速度超过额定下坠速度,或在悬挂绳发生断裂和松弛的情况下,将承载平台(轿厢)紧急制停的一种安全装置。
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