white damp
柯林斯词典
1. N a mixture of poisonous gases, mainly carbon monoxide, occurring in coal mines 一氧化碳等混合有毒气体; 主要出现于煤矿→see also afterdamp
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1. N a mixture of poisonous gases, mainly carbon monoxide, occurring in coal mines 一氧化碳等混合有毒气体; 主要出现于煤矿→see also afterdamp