断火限位器是起重电气的一种。

Fire stopper is lifting off a kind of electric.

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行程限位器是起重电气的一种。

Electrical stroke limiter is a kind of lifting.

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也称吊钩高度限位器。

Also known as the hook height limiter.

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也称吊钩高度限位器。

Also known as the hook height limiter.

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