假手术组仅松套腹主动脉，不阻断血流。

The aorta was not clamped in sham operation group.

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首先在垫板内对准导向销和导向套，然后滑入防松套筒板。

First of all, within the target-oriented in the plate and guide pin sets, and then slide the sleeve nut plate.

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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。

This paper explores the construction design of loose tube layer stranded ADSS cables by analysing the affecting factors and gives example for cable design.

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