导轨式升降机作业区域须用警示带维护起来，设警示标志，并设专职监护人员。
Guide rail type lift operation area should be maintained with a warning belt, set the warning signs, and set up a full-time monitoring.
导轨式升降机作业区域须用警示带维护起来，设警示标志，并设专职监护人员。
Guide rail type lift operation area should be maintained with a warning belt, set the warning signs, and set up a full-time monitoring.
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