船舶航行操纵
ship navigation manipulation
踏板操纵行车制动器阀
pedal operated service brake valve
保安操纵箱的改进
Improvement of Emergency and Operating Box
变速箱操纵电缆
transmission control cable
变速箱操纵电路系统
transmission control electrical system
变速箱操纵杆
transmission lever
transmission control lever
变速箱操纵杆连杆调整不正确
incorrect transmission control lever linkage adjustment
变速箱操纵杆连杆机构
transmission control lever linkage