有心的圆形同心绞捻铜导线的英文

standard specification for cored annular

• 有心:    have a mind to; se ...
• 的:    4次方是 The fourth po ...
• 圆形:    circular; round
• 同心:    with one heart
• 绞:    twist
• 捻:    twist with the fin ...
• 铜:    copper
• 导线:    conducting wire; v ...