一种熔点很低的金属丝 fuse
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.
萤石中含有卤族元素氟，是制取含氟化合物的主要原料，又由于熔点低而广泛用于炼钢、有色金属冶炼、水泥、玻璃、陶瓷。
A halogen element, f, is major raw materials deriving fluorine compound, and because of low melting point, that is widely used in steelmaking, nonferrous metal smelting, cement, glass and ceramics.
铅的熔点比其他一些金属低。
Lead will fuse at a lower temperature than some other metals.
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