一条架空索道横跨于黄河之上。
防雷接地是保证客运架空索道安全运营的重要环节。
The lightning protection and grounding are very important for passenger ropeways safe operation.
防雷接地是保证客运架空索道安全运营的重要环节。
The lightning protection and grounding are very important for passenger ropeways safe operation.
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