珠光体轨道钢是目前我国铁路轨道采用的主要钢种，其性能特点是抗磨损性能好，屈服强度高。
The pearlitic rail steel was widely used as rail track in China for its prominent performance in anti-wearing and high yield strength.
附加到天花板的钢格栅，包括具有可移动照明固定装置的轨道，可以上下滑动以适应咖啡馆的使用方式。
A steel grid attached to the ceiling incorporates a rail with moveable lighting fixtures, which can be slid up and down to adapt to the cafe's number of USES.
出于声学考量，轨道通过填充有泡沫橡胶的浮置板支撑，包裹钢部件。
For acoustic reasons, the rails are supported on a floating slab, padded with foam rubber, which receives the steel parts.
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