短语词组短语Blow -by gas 吹漏气valve blow -by 气门漏气grease blow -by 窜油脂combustion blow -by 爆发时漏气cylinder blow -by 气缸内径;气缸漏气;汽缸内径blow struck by lightning 雷电冲击compression blow -by 从活塞上部空间漏气 返回 blow by