颧小肌和和口轮匝肌则辅助维持外侧壁稳定。
The zygomaticus minor and orbicularis oris secondarily provide lateral wall stability.
颧小肌和和口轮匝肌则辅助维持外侧壁稳定性。
The zygomaticus minor and orbicularis oris secondarily provide lateral wall stability.
颧小肌和和口轮匝肌则辅助维持外侧壁稳定性。
The zygomaticus minor and orbicularis oris secondarily provide lateral wall stability.
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