arm telescopic structure 手臂伸缩结构
The connection rod is a telescopic structure.
连接杆为伸缩结构。
The structure, work principle and application of tubing telescopic unit is introduced.
简要介绍了管柱伸缩器的结构、工作原理及用途。
In fact, clumps of dust and molecular gas collapsing to form stars may well lurk within the dark nebula, a structure that spans almost 40 light-years across the gorgeous telescopic view.
事实上，暗星云中很可能隐藏有分子气体和尘埃丛坍缩形成恒星，漂亮的望远镜视野中的这个结构宽几乎40光年。
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