各腔室在一个行程下的流体积由整个活塞组件的侧向行程和活塞的近端和远端的环形区域决定。
The flow volume per stroke of each chamber is determined by the lateral stroke of the entire piston assembly and also by the annular areas of the proximal and distal ends of the piston.
该活塞部分(102)还包括形成于该配合面(105)中且适 于接纳基本上环形的嵌件(120)的一部分的基本上环形的嵌件腔室 (126)。
The piston portion (102) further includes a substantially annular insert chamber (126) formed in the mating face (105) and adapted for receiving a portion of a substantially annular insert (120).
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