机械防护设计是电子设备耐环境设计的重要内容，对提高电子设备的可靠性水平具有现实意义。
The mechanical prevention is endure environmental design of important content for electronic equipment, AS for raise electronic equipment of reliability possess reality significance.
由于筑路机械搬迁吊装作业多，缺少防护装置或设计不合理，带来很多事故隐患。
Roadway machinery is often used for moving and hoisting task. If there is lack of protection establishment or unreasonable design in it, a lot of accident - hidden troubles exist.
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