您要查找的是不是:
(=talcum(powder)) 滑石(粉)
talc.
波尔多液营养保护剂(Bordeaux nutritional protective powder简称:BNPP)对于矫治植物缺铁、锌症状有显著效果。
Bordeaux nutritional protective powder (BNPP for short) had evident effects on iron and zinc deficiency.
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