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pipe ventilation
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pipe ventilation
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工学
施工通风
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pipe ventilation
风管式通风
由风管输送风流,风机通过风管连接,将新鲜空气送至隧道及地下工程工作面或者将污浊空气排出洞外的措施。
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Curtin Hammett principal
Curtin-Hammett principal
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Curtius crater
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