?银铅精矿
... 除银铅 desilvered lead 银铅精矿 silver lead ore concentrate 银铅焊条合金 leadsolderalloy ...
?银铅矿精矿
银铅矿精矿 Silver Lead Ore Concentrate 银铅矿石 Lead Silver Ore ..
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。