The normal hip is a tightly joined "ball and socket" joint (Figure 1).

正常的髋关节是一个紧密参加“球窝”联合(图1)。

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The normal hip is a tightly joined "ball and socket" joint (Figure 1).

正常的髋关节是一个紧密参加“球窝”联合(图1)。

youdao