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1. The company conducted a power transmission line survey to assess the safety of the lines.
该公司进行了一次电力传输线路调查，以评估线路的安全性。
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2. The engineers performed an inspection on the power transmission line to ensure it was functioning properly.
工程师们对电力传输线路进行了检查，以确保其正常运行。
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3. During the winter months, it's important to conduct a power transmission line survey to prevent potential hazards.
在冬季，进行一次电力传输线路调查非常重要，以防止潜在的危险。