bladder expansion
膀胱扩张
以上为机器翻译结果,长、整句建议使用 人工翻译 。
The expansion of the latter is accomplished by pumping a fluid into a bladder, in much the same fashion as a balloon, but having more robust construction.
而膨胀式封隔器的膨胀则是通过泵送流体进入囊状物,与气球大约同样的方式,但是比气球具有更坚固的结构。
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