桥架配线前应消除槽内的污物和积水；缆线布放前应核对型号规格、程式、路由及位置与设计规定相符。在同一桥架内包括绝缘在内的导线截面积总和应该不超过内部截面积的40%...
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- Title: 文安县韵泓五金制品有限公司
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