... 主顶桅：main-royal mast 主调节器：master governor 主电源同步：mains hold ...
2
?主调速器
... 主动臂(机械手，操作器)：master arm 主调速器：master governor 主调节阀，主进汽控制阀：main inlet control valve ...
双语例句
1
They were, respectively, governor of the state and president of the University of California (UC) in 1960, when California adopted a “master plan” that became an international model.