The invention relates to a damper. The inner part of the damper is provided with a cavity like a piston cavity. A damper hole length regulating component is arranged in the cavity.
本发明涉及一种阻尼器，在阻尼器内部加工出一个类似活塞腔的腔体，里面加装有一个阻尼孔长度调节构件。
2
The structure of regulating pump is illustrated and operation principle, application condition and comparison with piston type pump are given as well.