并对辊端叉头的结构和维护提出改进意见。
Meanwhile, the improvement advices for the structure and maintenance of the roller end clevis are provided.
患者大多有典型的四肢近端短小，大头，前额突出，以及三叉戟状手。
Patients usually had typical rhizomelic short stature, large head, frontal bossing and trident fingers.
结果发现：（1）同是取自三叉神经痛患者，远颅端患支的脱髓鞘程度较未发病的正常神经更严重；
The result showed: (1) In the same patient alone, the demyelination in the diseased nerve branch was even more serious than that in the undiseased one.
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