목록 Efects of Various Bore–Stroke Ratios on Hydrogen Direct Injection Spark Ignition Engines With Variable Valve Timing Under Low‐Load Conditions 저자 Ki Yeon Kim, Seung il Lee, Seung Hyun Lee, Seung Jae Kim, Kyoung Doug Min, Jeong Woo Lee 저널 International Journal of Automotive Technology 연도 2024 .