吹き出し局部通気を行う作業場における熱環境の予測 掘進箇所(局部通気を行う鉱山の作業場)における熱環境制御に関する研究 II
Prediction of Climatic Conditions in Developing Roadway with Forcing Auxiliary Ventilation System. Control of thermal environmental conditions in locally ventilated working place. (2nd Report).