片语
Modulation speed regulator各类调速器
exhauster high speed pressure regulator真空泵高转速调压器
proportional speed floating regulator[自]
Frequency speed-regulator变频调速
ac frequency speed-regulator交流变频调速器
constant speed floating regulator恒速无静差第器
speed governor[机] 调速器,限速器;蒂器
speed d regulator蒂机
maximum speed of regulator最高转数调速器