| 摘要 |
An apparatus including a first gas chamber, a second gas chamber, and a coupler. The first gas chamber can include a sleeve including a first mounting point and a cylinder including a second mounting point. In a first mode, the coupler can isolate the first gas chamber and the second gas chamber during a first translation range of the cylinder into the sleeve, and fluidly couple the first gas chamber to the second gas chamber during a second translation range of the cylinder into the sleeve. In a second mode, the coupler can fluidly couple the first gas chamber to the second gas chamber during at least the first translation range and the second translation range of the cylinder into the sleeve.
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