只有在每柱每相上安装过电压保护器才能得到好的保护效果。

Only in each column over-voltage protector installed on each phase can get good protection effect.

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安装转向柱至装配螺椿。

Install the rear transmission mount.

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采用分段制作、高空拼装的方法安装钢柱和钢屋架。

Steel column and roof frame are made in multisections and assembled at high altitude.

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采用分段制作、高空拼装的方法安装钢柱和钢屋架。

Steel column and roof frame are made in multisections and assembled at high altitude.

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