安装吸收塔时，先要对吸收塔的各部件进行监造，并制订吸收塔的安装方案。
Before installation they have to supervise all components of the absorber and compile the installation schemes.
结合结构特点，采用整体提升方案进行屋顶索结构安装，并介绍了其安装方案。
Based on structures characteristics, roof cable-net structure was installed by integral lifting method, and the installation scheme was introduced in this paper.
最后根据各安装方案的技术经济比较结果提出了西北电网安装可控电抗器的方案。
Based on the results of technical-economical comparison of different installation schemes, a project for the installation of controllable reactors in Northwest China power grid is proposed.
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