初始铅 initial lead
初乳铅 lead in early lactation
初渣含铅 Lead content in primary slag
初学彩色铅笔 beginner colored pencils
初铅
Primary lead
以上为机器翻译结果，长、整句建议使用 人工翻译 。
研究了初制加工对茶叶铅和铜污染的影响。
The effect of processing on the Pb and Cu pollution of tea was studied in this paper.
youdao
锌和铅价格一直在下滑，尽管12月初以来加强在2010年的头几个月的经济消息。
Zinc and lead prices have been on a slide since early December despite strengthening economic news in the first months of 2010.
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