The combined method of speed key point monitoring and speed chart monitoring is advanced to prevent hoist overrolling,significantly improving the safety and reliability of mine hoist operation.
采用速度逐点监视和包络线监视技术，防止矿井提升
过卷，大大提高了提升运行的安全
和可靠。
The combined method of speed key point monitoring and speed chart monitoring is advanced to prevent hoist overrolling,significantly improving the safety and reliability of mine hoist operation.
采用速度逐点监视和包络线监视技术，防止矿井提升过卷，大大提高了提升运行的安全和可靠。
：以上例句、词
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