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trace elements for plants造句

"trace elements for plants"是什么意思

造句與例句手機(jī)版

Often, a lower layer of richer substrate such as potting soil, peat, vermiculite, or certain types of clay are used as a source of iron and trace elements for plant roots.
It's difficult to see trace elements for plants in a sentence. 用trace elements for plants造句挺難的

相鄰詞匯

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