safety locking pin
... safety lock 安全锁;保险锁... safety locking pin 安全锁销... safety manager 安全管理员...
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安全锁定销 protective lock pin
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此设置可以通过锁销或安全线保证安全。
This setting can be secured by use of a locking pin or safety wire.
youdao
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;
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