连铸中间包在最后净化钢水和稳定连铸的操作中起重要作用。

The tundish metallurgy played an important role in purifying molten steel and stabilizing CC operation.

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据报道，奥兰治县采用了非常“高效的污水处理”技术，经过层层过滤和净化过程，最后的水质超过了多数饮用水的标准。

Orange County takes "highly treated" sewer water and sends it through various filtration and purification processes, until the final product exceeds the standards for most drinking water.

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最后，在完成每次取样和净化顺序后，必须借助于水游离度测量来校正测量仪器的零点，以确保可以进行下一个读数。

Finally, after each sampling and cleaning sequence the measurements’ zero point ischecked with a water freeness measurement to make sure the next reading isrepeatable.

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