等温锻造成形过程中温度基本不变，可消除镁合金在常温下成形性能差的问题。

So it is usually processed by isothermal forging, which provide selected temperature steadily to improve the plasticity of magnesium alloy.

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介绍了具有优良使用性能，可替代进口产品的金属自密封环的研制，包括选材、制定特殊锻造工艺、制定机械加工工艺规程和软化处理等。

This paper introduces the developing progress of metallic pressure sealing ring, including selecting material, drawing special forging process, intenerating process and drawing machining process.

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随后，赫敏从一本古老的书中读到尼可·勒梅是“唯一知道的魔法石的锻造者。”

Later, Hermione reads from an enormous old book that Flamel is "the only known maker of the Sorcerer's Stone."

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