用过滤漏斗和过滤纸把硫酸铜、砂子和水的混合物过滤到另一个广口瓶里。
Use a filter funnel and paper to filter the mixture of copper sulphate, sand and water into a second jar.
对于没有附无菌针头的预装填注射器，在转移之前，将每个注射器的内容物排出至一个或两个单独的膜过滤器漏斗，或至若干单独的合并容器。
For prefilled syringes without attached sterile needles, expel the contents of each syringe into one or two separate membrane filter funnels or into separate pooling vessels prior to transfer.
我引导他，过滤他，用漏斗把它收起来。
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