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adj. 不通气的;密不透气的; vt. 使……气密;使……不透气
adj.不通气的,密不透气的vt.使不透气,密封
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adj. 不通气的;密不透气的; vt. 使……气密;使……不透气
adj.不通气的,密不透气的vt.使不透气,密封
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