对废旧银锌钮扣电池中的银含量进行了检测，结果显示总合银量在20％-35％之间；

Tests on silver in wasted button cell show there are 20-35% of silver in button Cell.

youdao

对废旧银锌钮扣电池中的银含量进行了检测，结果显示总合银量在20％-35％之间；

Tests on silver in wasted button cell show there are 20-35% of silver in button Cell.

youdao