“ventilation of exploratory tunnel”的概念、定义、翻译、参考文献-科学参考

单词	ventilation of exploratory tunnel
释义	ventilation of exploratory tunnel Encyclopedia 理学坑探工程释 ventilation of exploratory tunnel坑道通风技术在掘进坑道时，用机械（鼓风机、通风机等）或自然压力形成的压力差，使巷道中的空气不断流动的作业。理学钻探环境保护释 ventilation of exploratory tunnel坑道通风从勘探坑道排除各种有毒、有害气体及粉尘，并输入新鲜空气，调节坑内气温和湿度的工作。
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