pre-concentrate

pre-concentrate什么意思,pre-concentrate翻译

例句

• the latter is mainly used to separate and pre-concentrate metals in environmental analysis.

  后者主要用于环境分析中金属的分离与预富集。

• will be prepared liquid milk into an evaporator with at least, access to pre-concentrate;

  将制备的液态奶送入具有至少一级的蒸发器，获得预浓缩物；