闭锁离合器选择器阀
lockup clutch selector valve
离合器选择器阀芯
clutch selector valve spool
速度限制器阀选择器
speed limiter valve selector
左传感器选择器阀
left sensor selector valve
船用齿轮安装支架
marine gear mounting bracket
船用齿轮出厂编号
marine gear serial number
船用齿轮传动式汽轮机
geared marine steam turbine
船用齿轮方向操纵杆
marine gear directional control lever
船用齿轮方向控制阀
marine gear directional control valve