查询词典 safety rail

We were very relieved to discover there was also a metal fence to help as we crossed the cliff to the other side (see lower picture at right - there is a path and chain rail for safety).

我们非常欣慰地发现也有一个金属围栏，以帮助我们越过对方悬崖（见右下图片-有一个路径和链安全轨）。

Switzerland heads Austria, Germany, Iceland and the US at the top of the overall rankings, thanks to its links to international tourism, its road and rail infrastructure, safety standards and sustainable environment regulations.

瑞士在总体排名中位居第一，排在奥地利、德国、冰岛和美国之前，这要归功于该国的国际旅游业、公路和铁路基础设施、安全标准和可持续的环境法规。

Safety Cup : A special cup used to hold the back rail of a spread fence.

安全罩：用于固定伸展障碍后栏杆的特殊杯状罩。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。