电缆桥架在铁篦子板或类似带孔装置下安装时．上层电缆桥架应加盖板或保护罩．如果在上层电缆桥架宽度小于下层电缆桥架时．电缆桥架安装在容易受到机械损伤的地方时应加保护...
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- Title: 文安县韵泓五金制品有限公司
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