注：行程加高，封闭高度相应缩短，压力相应减弱。
Note: When the stroke increases, the closed height should be shortened accordingly and the pressure is weakened accordingly.
可以在提升行程上无限的增加高度，和单位参数，无论重量分配平均与否。
An infinite range of height increments is available within lift strokes, and units function smoothly regardless of uneven weight distribution.
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