An amount of water can be injected through an injection port at the position of a handgrip so as to control the size of the saccule.
通过手柄处的注射接口可以注入适量的水以控制球囊的大小。
An amount of water can be injected through an injection port at the position of a handgrip so as to control the size of the saccule.
通过手柄处的注射接口可以注入适量的水以控制球囊的大小。
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