3.Main products are "Friends" brand inspection covers, divided into two series: Concrete iron and cast iron composite series of campaign materials.
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The effects of the infusion of amino acids on serum gastrin levels in goats were studied in the experiment, which was divided into two series.
研究了皱胃和静脉内输注氨基酸对山羊血清胃泌素水平的影响。
Gold centrifugal ore dressing machine, also known as gold jacket centrifuge, the device is divided into two series, one is ore type, a is tailings.
金矿尾矿用什么设备回收金矿离心选矿机也称为金矿水套离心机，该设备分为两个系列，一个是原矿型，一个是尾矿型。
According to the type of liquid in glass, metal well thermometer can be divided into two series: WNG series (mercury) and WNY series (organic liquid).
依据感温液的类型，金属套温度计分为两大系列：WNG系列(水银)和WNY系列(有机液体)。
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