他们在水平立柱的顶端正上方安装了一个帐篷状的脚手架，在脚手架的顶端悬挂滑轮。
They rigged up a tent-shaped scaffold directly above the tip of the horizontal column, with pulleys suspended from the scaffold's apex.
双立柱结构，锯架导向采用一圆一方导轨，保证导向精度，锯削稳定可靠。
Double-column structure, a saw-oriented party to adopt a circular rail, and ensure guidance accuracy and reliability of sawing.
一种装置，通常包括支撑一根悬挂绞索的横梁的两根直立柱子，用于执行绞刑；绞刑架。
A device usually consisting of two upright posts supporting a crossbeam from which a noose is suspended and used for execution by hanging; a gallows tree.
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