This invention relates to the field of concrete complex super - retarding water reducers.

本发明涉及一种复合混凝土超缓凝减水剂领域.

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Of these, we can identify anoxygenic phototrophs , sulphate reducers and methanogens.

从这些里面, 我们可以辨认出无氧光合自营菌, 硫酸盐还原菌,以及硝化细菌.

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The thrust ball bearings are used in lathe centers, automobile cluthes, reducers and so on.

推力球轴承在工作中必须加以轴向予紧.它们主要适用于车床顶心 、 汽车离合器 、 减速机等.

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Bends, Tees and Reducers to be to the same specification as the tube.

弯头 、 三通及变径应与管道具有相同的技术参数.

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In addition, it also suitable for other types of W mechanism of reducers.

此外, 它也适合于其它W机构的减速机.

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Reducers: A medium added to thick printing ink to make it thinner and suitable for printing.

调节剂: 加入浓及稠的油墨内,使它稀化,适合印刷的媒介物.

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The paper presents good prospects of reverse cooling towers using sprinklers and speed reducers.

本文重点介绍了正菱形喷淋布水器及倒装式减速机应用于逆流式冷却塔的良好前景.

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