防护门是一种能抵抗各种冲击波或重物冲撞的门,一般采用钢质材料制作。
文章详细信息 关键词: 高层建筑;;电梯口;;防护门;;安全网;;安全管理 [gap=504]Keywords: high-rise buildings,elevator opening,protection door,safety network,safety management
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大部分线路的站台上都有防护门,防止乘客坠落,站台与列车之间的缝隙不到15厘米。
On most of the lines, there are protective doors on the platform to prevent people from falling onto the rail, and the gap between platform and train is only about 15 centimeters or less.
未经允许不得打开机床电器防护门,勿要对机内系统文件进行更改或删除。 综。
Do not open the protection ( gates ) door of machine without permission. Do not change ordelete the system documents of the machine.
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