shed v 中文意思是什麼
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Cdc insulators and fittings for overhead lines. insulators of ceramic material for voltages lower than 1000 v double - shed insulators with grooved heda
架空線路用絕緣子和配件.電壓低於1000 v瓷料絕緣子.雙裙槽頭絕緣子 -
Vdc insulators and fittings for overhead lines. glass insulators for voltages lower than 1000 v. double - shed insulators with grooved head
架空線路用絕緣子和配件.電壓低於1000 v的玻璃絕緣子.雙裙槽頭絕緣子
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