ASTM F2339-19 Standard Practice for Design and Manufacture of Reciprocating Spark Ignition Engines for Light Sport Aircraft1轻型运动飞行器用往复式火花点火式发动机的设计和制造的标准实施规程
积分值:1502020-12-23
ASTMF2339-19StandardPracticeforDesignandManufactureofReciprocatingSparkIgnitionEnginesforLightSportAircraft1轻型运动飞行器用往复式火花点火式发动机的设计和制造的标准实施规程..