名词
中文翻译：起重机磁铁
同义词：
['crane magnet', 'crane magnetizer例句：1. The crane magnet is used to attract and hold objects in the air.（起重机磁铁用于吸引和保持空中物体。）2. The crane magnetizer was designed to make it easier for people to lift heavy objects.（起重机磁铁器设计用来使人们更容易举起重物。）']
例句：
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1. The crane magnet is used to attract and hold objects in the air.
起重机磁铁用于吸引和保持空中物体。
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2. The crane magnetizer was designed to make it easier for people to lift heavy objects.
起重机磁铁器设计用来使人们更容易举起重物。
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3.The crane magnetizer can be used to remove rust from metal surfaces.
起重机磁铁器可以用来去除金属表面的锈。