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| 41. | If you touch this live wire, you'll get a shock. |
| 摸这条带电的导线, 就会触电. |
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| 42. | The longer a wire is, the greater is its resistance . |
| 导线越长，其电阻越大。 |
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| 43. | Take care that you do not touch the wire. |
| 小心别碰导线。 |
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| 44. | The thicker is the wire, the smaller is the resistance . |
| 导线越粗，电阻越校 |
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| 45. | We increase the length of the wire, thus increasing its resistance. |
| 我们增加导线的长度，从而增加了导线的电阻。 |
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| 46. | The wire was coupled on the plug. |
| 这条导线接到了插头上。 |
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| 47. | First he coiled some insulated wire around an iron bar, connecting both ends of the wire to a galvanometer |
| 他先把一些绝缘导线绕在一根铁条上，并将导线的两端与一个电流计连接起来。 |
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| -- 来源 -- 中级百科部分 - P_baikeduwu_kejiqita |
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| 48. | A helicopter is used to install a guide wire. |
| 直升飞机用来设置导线。 |
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| 49. | grounded the radio By touching a wire to it |
| 用导线轻触收音机使它接地 |
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| 50. | catenary suspension with one contact wire |
| 单接触导线的链形悬挂 |
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