5056铝合金保险丝应该用于接触金属镁的位置，以防止电化学腐蚀(常见于液压系统油滤上)。
Clad 5056 Aluminum alloy wire should be used for safety wire which touches magnesium to prevent galvanic corrosion.
绝望中，我送一些样品到定点材料实验室，让那里的同事测试保险丝的横截面直径，并鉴别所使用的合金。
In desperation, I sent some samples to our on-site materials lab and asked the folks there to measure the cross-section diameter of the fuse element and identify the alloy used.
照片显示保险丝由三种金属组成，而不是使用某种低熔点金属的单一合金。
The photos showed that, instead of using a single alloy of some low-melting-point metal, the element consisted of three types of metal.
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