回程液压油滤清器装置
return hydraulic oil filter unit
空气断路器开关装置
air circuit breaker switch gear
液压传动装置滤清器回油量测器
hydraulic filter return gauge
液压油箱通气器滤清器滤芯
hydraulic oil tank breather filter element
齿条齿轮转向装置
rack-and-pinion steering gear
船首部转向装置机构室
bow thruster machinery compartment
电力辅助转向装置
electrical supplemental steering attachment
动力转向开关接线盒
power steering switch connector