He diagnosed the trouble that caused the engine knock.
他查出了引起发动机发出爆震声故障的原因。
AMSOIL Octane Boost reduces engine knock, improves ignition and helps fuel burn cleaner.
AMSOIL辛烷升压减少爆震，点火并有助于提高燃油燃烧更清洁。
With a view to the theory of engine knock, this paper introduces a method of knock detection in detain.
根据发动机爆震原理，介绍了一种发动机爆震检测的方法，并给出了硬件设计框图。
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