wire-core coil

The range analysis of experimental data shows the degree of influence of the four factors including porosity, diameter of wire, inner diameter of spiral coil and blank-laying methods on the resistance of MR and its law of change.

对正交试验数据进行极差分析，得出了孔隙度、金属丝直径、螺旋卷内径和毛坯铺设方式4个因子对金属橡胶材料电阻的影响程度大小以及电阻的变化规律。

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a coil of copper wire

一卷铜丝

《牛津高阶英汉双解词典》

Step 3: The Coil From the point that the wire bends, wrap it neatly around a skewer five times. You can then pull the skewer carefully from the loops. This forms the antenna.

从电线折角端开始缠绕竹签五圈，将竹签抽出即成简易天线

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Once we have the wire, we can coil it up into the shape of a spring.

一旦有了金属丝，我们就能把它卷成弹簧的形状。

《柯林斯高阶英汉双解学习词典》

A common galvanometer consists of a light coil of wire suspended from a metallic ribbon Between the poles of a permanent magnet.

最普通的电流计包括一个小线圈，悬挂在永磁铁两极之间的金属带上。

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