Views：1895 Time：2020-10-30
一：二柱举升机安装简述 1：将主副两立柱并排平放在地上，将横梁安装好，注意一定要将所有螺丝上紧 2：横梁上穿好钢丝绳，油管，限位线，这样立柱立起后人就不要爬到横梁上区安装东西了
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