The researchers say that an environment based on mass transit influences health, because rail users are get exercise walking to and from stops.
研究人员说，基于轨道交通环境影响健康的水平，因为铁路使用者正在走路锻炼。
The effect and the cause of the falling off accident of the walking beam furnace translation guide rail were analyzed and the improvement method was bringed forward.
文章分析了步进式加热炉平移导轨脱落事故造成的危害和产生的原因，并提出了改进措施。
It makes the robot directly attracted to the surface of the spherical tank so as to realize the all-position walking and welding without rail.
此机构使机器人直接吸附在球罐表面，从而实现无导轨全位置行走与焊接。
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