In late years automatic regulators have been provided for accomplishing this result. Edward W. Byrn.十九世纪发明进展.
The French were among the first to contrive such regulators,--Duboscq, Foucault, Serrin, Houdin, and Lontin invented most useful forms of such apparatus. 威廉·亨利·杜利特.世纪发明.
Such an apparatus is called a _regulator_, and the variety of regulators is very great. 威廉·亨利·杜利特.世纪发明.
Regulators for dynamos and motors. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
It is stored under a pressure sometimes as high as 150 pounds to the inch, its pressure being reduced at the burners through the agency of pressure regulators. Edward W. Byrn.十九世纪发明进展.