名词
中文翻译：气闸
同义词：
['gas lock', 'gastight', 'gastight valve']
例句：
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1. The airlock is designed toprevent the entry of air into the spacecraft during launch.
气闸设计用来在发射时防止空气进入航天器。
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2. Theengineers had to open the airlockto release the trapped gas.
工程师们不得不打开气闸来释放被困的气体。
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3.The airlock was sealed tightly to preventany leakage of flammablegases.
气闸被密封得紧紧的，以防任何易燃气体泄漏。