单项选择题The Master said, “I have not seen one who loves ______________ as he loves beauty.”
单项选择题柴油机运转中若高压油管脉动强烈并发热,排气温度明显下降,喷油泵体发热并间有撞击声,其原因可能是( )。 A. 喷油泵柱塞卡死 B. 喷油泵出油阀在开启状态卡死 C. 喷油器针阀在全开位置咬死 D. 喷油器针阀在关闭位置卡死