The crankcase ventilation system carries fresh air through the crankcase.
曲轴箱通风系统要携带新鲜的空气通过曲轴箱。
The crankcase ventilation system carries fresh air through the crankcase .
曲轴箱通风系统要携带新鲜的空气通过曲轴箱。
The crankcase ventilation system for 4-stroke motorcycle should be improved.
四冲程摩托车用曲轴箱通风系统应当改进。
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