将柔性药囊储药器集成于泵的入口通道，并置于带有两个环形电极的壳体中，实现了结构的轻小化。
The structure compactness was realized by integrating the flexible drug bag into the entryway of the pump in a shell with two annular electrodes.
该改进的轴承是环形的，具有与悬挂接头的壳体或可移动的承窝的内部相配合的外部尺寸。
The improved bearing is annular, having an outer dimension sized to seat within the housing of a suspension joint or movable socket.
该球形万向节具有一个基本环形的万向节壳体(3)，在其基本圆柱形的内室里面可以设置一个球壳(1)。
The ball joint has a substantially annular joint housing (3), in the cylindrical interior of which a ball socket (1) can be arranged.
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