... elevator groove 吊卡槽 elevator latcher 吊卡闩；井架工 elevator plug 提升短节 ...
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Close the door guardrail workers into the elevator guide rail, plug, attached to a safety rope, the load center should as far as possible in the center position of the working table.
作业人员进入液压升降机后应关闭护栏门，插上插销，系上安全绳，载荷的中心应尽量处于工作台面的中心位置。
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