Toxins and fumigants were employed in chemical eradication methods for poisoning purposes.

毒素和熏蒸剂被用于化学根除方法以达到毒杀目的。

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Some fumigants are also active against nematodes, insects, and weed seeds.

部分熏蒸剂对线虫 、 害虫和杂草种子也有活性.

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Fumigants are pesticides acting in gaseous phase.

熏蒸剂是以气体形式作用的农药.

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Fungicides are called fumigants when applied as a vapor - active chemical in the gaseous phase.

作为蒸气活性化合物以气态施用的杀菌剂称之为熏蒸剂.

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