precipitum 中文意思是什麼
precipitum
解釋
沉澱產物-
The factors mainly include soil acidifying, higher organic matter content in the soil, lead of precipitum in the air and the processing of the tea leaves in the factory
這些來源主要包括：茶園土壤酸化和較高的有機質含量，大氣沉降物中的鉛和茶葉的加工過程。
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