hard drawn copper wire

英 [hɑːd drɔːn ˈkɒpə(r) ˈwaɪə(r)]

美 [hɑːrd drɔːn ˈkɑːpər ˈwaɪər]

网络  冷拉铜丝; 硬拉铜丝; 硬铜线

电力