Safety device: Machine stop at abnormal air pressure, Heating pipe disconnection alarm.
安全装置：机器停在异常气压，加热管断线报警。
After some non-famous elevator repairs, the original brand hybrid device, or to stop the operation of brand lift. the failure of existing safety problems.
有一部分非名牌电梯经过维修后，原器件品牌混杂，或者名牌电梯带病运行，存在发生故障的安全隐患。
The electronic antiskid device of railway car can make high-speed cars stop safely in given distance. It is an important component for ensuring driving safety.
铁路客车电子防滑器使高速列车能在规定的距离内安全停车并防止滑行，是保证行车安全的重要部件。
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