起重机力矩限制器是装备在起重机上的重要超载保护装置，它为起重机的安全工作提供保障。
Crane moment limiter that is equipped on the crane is an important overload protective device. It provides safeguard for the safety work of crane.
起重机力矩限制器是装备在起重机上的重要超载保护装置，它为起重机的安全工作提供保障。
Crane moment limiter that is equipped on the crane is an important overload protective device. It provides safeguard for the safety work of crane.
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