unfilled polyethylene 中文意思是什麼
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Low - frequency cables with polyolefin insulation and moisturebarrier polyolefin sheath. part 3 : unit type, unfilled, moisture barrier polyethylene sheathed cables with copper conductors and solid or cellular insulation
聚烯烴絕緣和帶聚烯烴防潮層護套的低頻電纜.第3部分:組合式無填充固體或泡沫絕緣的聚乙烯防潮護套銅導體電纜 -
Low - frequency cables with polyolefin insulation and moisturebarrier polyolefin sheath. part 4 : unit type, unfilled, moisture barrier polyethylene sheathed cables with copper conductors, solid insulation and integral suspension strand
聚烯烴絕緣和帶聚烯烴防潮層護套的低頻電纜.第4部分:帶聚乙烯防潮護套的實心絕緣和整體懸掛絞線的組合式無填充銅導體電纜
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