It elucidates the construction of fuse element and its materials, the location of alloy of eutectic alloying effect (M-effect), kind of sand filled and choice of cartridge material.
阐述当前这种熔断器熔体的结构和材料，冶金效应合金的布置，填料的种类以及外壳的选用。
2
Temperature-dependent fuse is one of the important parts in (smoke) fire dampers, and the fusible alloy is the key element of the fuse.
温度熔断器是（排烟）防火阀中的重要部件之一，而其中的易熔片又是熔断器的关键元件。
3
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.