blue lead

• 金属铅,蓝铅

blue lead的用法和样例：

例句

1. The carbon, which is protected within a sandwich of other materials, is more effective than metallic lead at exchanging protons with the acid during charging and discharging.
   在充放电过程中，夹在其他材料层之间的碳可以比金属铅更有效的与酸进行质子交换。