名词中文翻译
中文翻译：密封投标
同义词：
['closed tendering', 'sealed bids']
例句：
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1.The company decided to use closed biddings for the new project.
公司决定使用密封投标来竞标新项目。
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2.The government has implemented a policy of closed biddings for public procurement.
政府实施了一项公开招标政策。
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3. In this case, the bidders were required to submit sealed bids before the auction began.
在这种情况下，竞标者需要在拍卖开始前提交密封的投标。