The generating process of piston knock noise is thoroughly analyzed by the study of piston motion state and knock process with the engine at the rated engine speed.
进一步分析了发动机额定转速下，活塞的运动姿态和敲击过程，揭示出活塞敲击噪声的产生过程。
Thee A29 Clan was to be propelled by a Rolls-Royce Meteor engine, up-rated to 700 bhp, which would give the Clan a top speed of 30 mph (48.3 kph) and power to weight ratio of 13.82 hp/tons.
在A29家族是由劳斯莱斯流星引擎推动，最高额定为700马力，这会给家族30英里每小时（48.3公里）和动力的最高时速与重量13.82马力/吨的比例。
Thee A29 Clan was to be propelled by a Rolls-Royce Meteor engine, up-rated to 700 bhp, which would give the Clan a top speed of 30 mph (48.3 kph) and power to weight ratio of 13.82 hp/tons.
在A29家族是由劳斯莱斯流星引擎推动，最高额定为700马力，这会给家族30英里每小时（48.3公里）和动力的最高时速与重量13.82马力/吨的比例。
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