| 摘要 |
The skeleton comprises a trunk (14) with a head (32) and articulated arms (16) and legs (18). The trunk is made up of middle (141), upper (142) and lower (143) elements, articulated about transverse horizontal axes, and the arms and legs are made from upper (161, 181) and lower (162, 182) articulated sections. The skeleton also contains a plastic tube (42) for passing liquid. The rotation of the joints is limited to less than half a turn, e.g. 90 degrees.
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