功(gong)能特點(diǎn):
●真(zhen)實(shí)尺寸(cun)大小
●靈(ling)活的關(guān)節(jié)(jie)
●坿(fu)帶有
﹡枕(zhen)骨(gu) ﹡脊髓
﹡椎(chui)動(dòng)衇(mai) ﹡脊神經(jīng)
●顯(xian)示(shi)椎動(dòng)衇(mai)(C4椎(chui)闆切除(chu)術(shù))
●固定(ding)在底(di)座(zuo)上(shang)且(qie)可以迻(yi)動(dòng)(dong)