Effects of Intake and Exhaust Valve Timing on Combustion and Emission Characteristics of Lean-Burn Direct-Injection LPG Engine (직접분사식 희박연소 LPG엔진에서 흡배기 밸브시기가 연소 및 배기특성에 미치는 영향)
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- Transactions of the Korean Society of Mechanical Engineers B
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- v.39 no.1
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- pp.45-51
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- 2015