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Icing disaster of transmission line and its prevention has become an important and hot problem.
输电线路覆冰灾害及其预防措施已成为一个迫切需要解决的问题。
youdao
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Icing disaster of transmission line and its prevention has become an important and hot problem.
输电线路覆冰灾害及其预防措施已成为一个迫切需要解决的问题。
youdao