Safety cables are positioned on the sides as railings while the butt end of one handlebar is attached on a safety rail.

旁边的安全钢索即是栏杆，这样自行车扶手尾端就可以接到安全栏杆上。

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For example, the country recently lowered maximum allowable speeds on its high-speed rail to address safety concerns.

例如，该国最近调低了其高速铁路的速度，以解决安全问题。

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Support a very high level of safety for new passenger rail service..

为新铁路客运服务提供高安全保障。

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Witnesses told park authorities that the three hikers who were swept over the waterfall in July 2011 had climbed over a safety rail.

CNN: STORY HIGHLIGHTS

For things that clearly do have the springlike quality of shifting irreversibly if pulled (or pushed) too far, like the collapse of ice sheets or the melting of permafrost, a boundary system that seeks to stop you getting too close to the threshold seems as sensible as a safety rail is on a parapet.

ECONOMIST: The global environment

Residents and rail passengers have called for extra safety measures at a rail crossing in Berkshire where seven people died in a crash.

BBC: Ufton Nervet crossing petition calls for safety measures