固定链子或钳头的所有销子都应当装到位，并穿上安全销或开口销。

All pins used to secure the chain or jaws should be kept in place with safety pins or cotter pins.

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在制动钳体上设有两个导向销，并且在一个导向销上装有沟槽式橡胶套。

The brake clamp body is provided with two guide pins, and one guide pin is provided with a channel type rubber neck.

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必须使用安全销把钳牙固定好。

The tong dies must be secured with safety pins.

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必须使用安全销把钳牙固定好。

The tong dies must be secured with safety pins.

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