tube layer with suspending arm 悬臂铺管机
loose tube layer stranded 松套层绞式
loose tube layer stranding 松套层绞
single-layer tube 单层盘管
double-layer tube 双层复合管
layer coil tube 双层盘管
three-layer chordes tube truss 三层弦杆形式钢管桁架
multi-layer tube 多层圆管
This paper explores the construction design of loose tube layer stranded ADSS cables by analysing the affecting factors and gives example for cable design.
分析了影响松套层绞式adss光缆结构设计的诸要素，探讨光缆结构设计方法，并给出了光缆的设计实例。
The physical significance of fiber excess length was illuminated and a case study based on the typical construction of loose tube layer strnded cables was made.
本文对光纤余长的概念作了完整的阐述，给出了光纤余长的明确定义，阐明了光纤余长的物理意义。
They stacked rocks with center holes (tube or doughnut shaped) from the surface to the deep stone layer as a guide for their drills (similar to today's guide tubes).
管状或中空管状的中心孔从地表到深石岩石层放满石头，以作为铁转的探头，作用类似今天的导管。
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