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。
He diagnosed the trouble that caused the engine to knock.
他找出了引擎咔咔响的毛病所在。
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。
A heavy or persistent knock can lead to engine damage.
一个沉重的还是持续的爆震会导致发动机的损伤。
A heavy or persistent knock can lead to engine damage.
一个沉重的还是持续的爆震会导致发动机的损伤。
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