采用挡销式后拖钩，操作方便，并具有自锁功能，在行驶时不会因跳动而发生脱钩，安全可靠；
Rear hitch with spring self-locking device will not come loose when being towed on rough or bumpy road surfaces. both safe and reliable;
此外，本模具采用始用挡料销和钩形挡料销挡料。
In addition, the die block used only with marketing materials and Crook block behind the marketing materials.
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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