motor head指的是发动机前端。1、Two handles placed on the sides enable an easy lifting and removal of the motorhead, for possible inspection or replacement of the underlying filter. 设在机器两侧的手柄方便提起拆下发动机头,用于查看或更换下面的过滤网。2、Meanwhile, the advantage of the full hydraulic motor head drive drill is introduced,proposing a developmental train of though in drilling technology. 对重要的钻探用装备先进的全液压动力头式钻机的优点作了介绍,在工艺技术方面提出了发展思路。3、Engineering Analysis of Large Solid Rocket Motor Head Area Heat Shield in GroundSpinning Test Firing 大型固体发动机旋转试车头部热防护工程分析