混凝土靶养护时间与抗压强度和聚能射孔器穿孔深度的关系初探
혼응토파양호시간여항압강도화취능사공기천공심도적관계초탐
On Relation between Perforating Length of Jet Perforators and Curing Time & Compressive Strength of Concrete Targets
저자의 최근 논문