请帮忙分析一个句子(经济学人)谢谢

请帮忙分析一个句子(经济学人)谢谢
A lot of water,acid and electricity has to be used in the ion-exchange,fractional crystallisation and liquid-liquid extraction processes used to manufacture them.

我对语法什么的很模糊
42948534 1年前 已收到1个回答 举报

轻叹 幼苗

共回答了15个问题采纳率:93.3% 举报

过去分词used to manufacture them作processes的后置定语,如果要用限定性定语从句修饰processes则是that are used to manufacture them.

1年前

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