A OSCILLOPOLAROGRAPHIC DETERMINATION OF BISPHENOL A IN POLYCARBONATE PLASTICS 示波极谱法测定聚碳酸酯塑料中双酚
It has four fingers and a thumb made from various metals and plastics, and even has polycarbonate fingernails to help it prise things apart. 它甚至还有聚碳酸脂的指甲, 能帮助它把东西撬开。