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.
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.
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。
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