Zircaloy - 4 is generally used as fuel tubes in pressurized water reactors because of it " s low neutron absorption cross - section, excellent corrosion resistance, good strength and ductility".

由于锆4合金具有低的中子吸收截面，良好的抗腐蚀能力、高强度以及延展性好的特点，被广泛用于压水堆作为核燃料棒的包壳材料。

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There are several different types of nuclear reactors, including boiling water reactor systems and pressurized water reactor systems.

反应堆有很多种不同的类型，比如可以通过煮水来获得动力，也可以通过对水加压来获得动力。

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The invention applies, in particular, to steam generators of pressurized water nuclear reactors.

本发明特别应用于高压水核反应器的蒸汽发生器中。

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Each of the 65-foot-tall, 640-ton generators -- built by Japan's Mitsubishi Heavy Industries -- are packed with thousands of narrow tubes that carry hot, pressurized water from the reactors.

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Executives have been pressing officials in China to include GE's advanced boiling-water reactors in their next five-year economic plan (China uses the pressurized reactors championed by perennial GE rival Westinghouse, now part of British Nuclear Fuels Ltd.).

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