分分秒秒遵章守纪，列列辆辆安全畅通。
如果你戴耳塞的安全，他们也可以提供一个畅通无阻的主动建议。
If you wear earplugs for safety, they may also provide a barrier to unsolicited advice.
安全和畅通是道路交通的永恒主题。
Safety and smooth are the eternal themes in the road traffic.
内网安全是网络安全最重要的主题之一，它是保障内网运行畅通的前提和保证。
Safety of internal network is one of the most important issues concerning network safety.
切记工人须按正规操作，经常检查压力表、报警器、安全阀管道畅通。
Workers shall operate normally and check pressure gauges, alarm and safety valve pipe flow regular.
切记工人须按正规操作，经常检查压力表、报警器、安全阀管道畅通。
Workers shall operate normally and check pressure gauges, alarm and safety valve pipe flow regular.
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