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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。
youdao
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The straight - chain alkanes exacerbate the problem of engine " knock ".
直链烷烃使机器的“ 爆震”问题更加严重。
youdao
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The straight - chain alkanes exacerbate the problem of engine " knock ".
直链烷烃使机器的“ 爆震”问题更加严重。
youdao