2024-12-5 15:37| 发布者: Summer| 查看: 23| 评论: 0
缓降器各部件应无变形、损伤等异常现象。金属件的外表面应光滑,无锈蚀、斑点、毛刺并进行防腐蚀处理。绳索端头应采用保护物包扎。
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