a coil of wire中文什么意思

例句与用法

1. He had a coil of wire around one arm and a pair of pliers hung by a thong from his wrist .
   他一条臂上挽着一圈铜丝，手腕上绕着的一根皮带上挂着一把钳子。
2. Electromechanical relays have a coil of wire with a rod passing through the middle ( forming an electromagnet ) , an armature mechanism , and one or more sets of contacts
   机电式继电器有一个中间穿过一根金属棒的线圈（形成一个电磁铁） 、一个枢轴机构和一组或多组触点组成。