platinum alloys的用法和樣例：
例句
- Originally Edison used platinum alloys for the filament, in the belief that carbon was impracticable.
愛(ài)迪生不相信碳可作燈絲用，所以一開(kāi)始就用鉑合金作燈絲。 - The latest advances in platinum alloy catalytic gauzes for ammonia oxidation to manufacture nitric ads is reviewed.
本文介紹了氨氧化制硝酸用鉑合金網(wǎng)催化劑的最新進(jìn)展。
