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7 个月
国网首条110kV聚丙烯绝缘电力电缆线路成功挂网试运行
同XLPE绝缘材料相比,该电缆采用热塑性绿色环保聚丙烯绝缘材料,材料制备采用了物理改性的技术路线,以聚丙烯为耐热骨架并与多种弹性体共混 ...
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今日热点
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Named FBI deputy director
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SAG Awards winners
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LA DA opposes new trial
Security issue diverts flight
MSNBC cancels Reid’s show
Ready to resign for peace
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Sports gambling probe
PA hospital shooting
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Russian invasion anniversary
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