动词短语
中文翻译：通过密封
同义词：
['by sealing', 'through sealing']
例句：
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1.The company's new product was unveiled by sealing the lid.
公司新产品揭幕时，通过密封盖子。
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2.The meeting was held by sealing the door and locking it.
会议通过锁门来举行。
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3.The package was sealed by a customs agent before being shipped overseas.
该包裹在出口前由海关官员进行了密封。