气门机构罩盖组
valve mechanism cover group
电磁气门机构
Electromagnetic valve actuation
电磁驱动气门机构
solenoid-actuated valve system
电控液压驱动可变气门机构
electro-hydraulic variable valve-train
电液可变气门机构
electro-hydraulic vari-Keywords:able valve-train
电液气门机构
Electro-hydraulic valve train
缸盖和气门机构
cylinder head and valve mechanism
气门机构部件
valve mechanism component
气门机构的工作
valve mechanism operation