platinum ore铂矿石platinumn.白金；铂adj.白金的platinum resistance thermistor铂电阻platinum resistanc thermometer电阻温度计platinum group metal catalysts铂系金属催化剂platinum-group metal halides铂族金属卤化物platinum group metals coatings铂族金属薄膜platinum thermoelectric couple铂热电阻platinum resistance thermomete铂电阻温度计platinum resistance thermometre铂阻温度计platinum group elements deposit铂族元素矿床platinum resistance thermometer铂阻温度计,铂电阻温度计

1. Originally Edison used platinum alloys for the filament, in the belief that carbon was impracticable.
   爱迪生不相信碳可作灯丝用，所以一开始就用铂合金作灯丝。