名词
中文翻译：外部模具
同义词：
['outermold', 'outer casing']
例句：
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1. The external mold of theproduct is crucial for its quality.
产品的外部模具对其质量至关重要。
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2. The manufacturer used anexternal mold to produce the parts.
制造商使用外部模具来生产这些部件。
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3. The externalmold was designed to fit perfectly into themachine.
外部模具被设计成完美地适配机器。