名词
中文翻译：密封订单
同义词：
['sealed contract', 'sealed agreement']
例句：
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1.The company issued a sealed order for the new product.
公司发出了新产品的密封订单。
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2. The sealed order was delivered on time, which impressed the client.
密封订单准时交付，给客户留下了深刻印象。
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3. The sealed order included all the necessary information for the project.
密封订单包含了项目所需的所有必要信息。