它有三个要素，即滑动面（带） 、滑床、滑体；
It has three elements, namely the sliding surface (with), smooth the bed, slippery body;
第三个立方体是一个突出的平台，上面装有滑索和一个高高的绳索轨道。
The third one is the start platform for a rope slide and a high rope track.
钢体滑触线是起重配件的一种。
Steel body sliding contact line is a kind of lifting accessories.
钢体滑触线是起重配件的一种。
Steel body sliding contact line is a kind of lifting accessories.
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