Movement 150
AnimatedOriginal 

150. A valve motion for working steam expansively. The series of cams of varying throw are movable lengthwise of the shaft so that either may be made to act upon the lever to which the valve-rod is connected. A greater or less movement of the valve is produced, according as a cam of greater or less throw is opposite the lever.

亚洲日韩色欧另类欧美_亚洲日韩中文字幕日本有码_亚洲日韩看片无码