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书架由动物或人物造型的托板和左支臂、右支臂所组成。
The bookshelf is composed of an animal or human shape supporting board, a left supporting arm and a right supporting arm.
总体平均受体门静脉血流量较供体门脉左支血流量要高得多。
Overall mean recipient portal vein flow (PVF) was much higher than the left PVF in the donors.
左支臂和右支臂可通过外齿咬合使其实现展开或闭合的动作。
The left and the right supporting arms can engage with each other through external teeth in order to realize the movement of opening and closing.
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