名词
中文翻译：Unknown
同义词：
['dirty casting', 'dirty molding', 'dirty casting process']
例句：
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1. The dirty casting was a major concern for the engineers.
这个脏的铸造是工程师们的主要担忧。
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2. The dirty casting process was causing significant environmental issues.
这个肮脏的铸造过程造成了严重的环境问题。
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3. The dirty casting was found to have contaminated the product.
这个脏的铸造被发现污染了产品。