名词
中文翻译：空心锻造
同义词：
['hollow casting', 'hollow casting process', 'hollow forging']
例句：
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1. Hollowforging is a technique used in metalworking to create parts with complex shapes and thin walls.
空心锻造是一种金属加工技术，用于制造具有复杂形状和薄壁的零件。
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2. The hollow forging process involves heating the metal and then rapidly cooling it to create a hollow structure.
空心锻造过程涉及加热金属并迅速冷却，以创建空心结构。
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3. In this case, the hollow forging was used to make a large tank for storing oil.
在这种情况下，使用空心锻造制作了一个大型油箱来储存石油。