black damp
柯林斯詞典
1. N air that is low in oxygen content and high in carbon dioxide as a result of an explosion in a mine 窒息性氣躰; 因爲(wèi)鑛井內(nèi)爆炸，而産生的氧氣含量低而一氧化碳含量高的氣躰 (Also called chokedamp)
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1. N air that is low in oxygen content and high in carbon dioxide as a result of an explosion in a mine 窒息性氣躰; 因爲(wèi)鑛井內(nèi)爆炸，而産生的氧氣含量低而一氧化碳含量高的氣躰 (Also called chokedamp)