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The excavation size is not enough: Cable trench bottom width should be increased as per construction needs. 开挖尺寸不足:电缆沟底部的开挖宽度,应根据施工需要增加工作面宽度。
For laying in doors , in tunnels and in cable trench , able to bare external mechanical forces and certain puling force. 室内、隧道、电缆沟、竖井等能承受机械外力和一定拉力的场所。
This paper presents a line trouble occurred on a PVC insulated and sheathed power cable caused by the flameless self-ignition of powers in the cable trench. 介绍一起电缆沟内粉末无焰自燃引起的聚氯乙烯(PVC)绝缘护套电力电缆线路故障,分析产生故障的原因,提出防范措施与建议。
权威例句
Biscom, a Milan-based broadband cable operator whose stock is currently buried in a deep trench, along with a host of other, bigger telecom companies. FORBES: A fiber niche is nice