止挡机构也可构形成钩和带有开口的肋的形式的闩销，钩固定地联接到开口上。

The catch mechanisms may also be configured as a hook and a latch in the form of a rib with an opening whereto the hook is fixedly coupled.

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止挡机构也可构形成钩和带有开口的肋的形式的闩销，钩固定地联接到开口上。

The catch mechanisms may also be configured as a hook and a latch in the form of a rib with an opening whereto the hook is fixedly coupled.

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