又称为钢钉轮。轮胎翻修中，指打磨轮胎用的带钉刺(钢丝)并配有活络刀片的转轮，用于翻胎打磨工序。经打磨后使表面粗糙以便于修补，增进黏合。
艾阿拉通常都在没有保护网的情况下在高空钢丝上跳跃、舞动和踩单轮脚踏车，但他的父亲坚持用保护网，因为做这些高空绝技实在是很危险。
He usually dances, jumps and unicycles on the high wire without a net, but his father insisted on using a net due to the unusual nature of the stunt.
送料机构：送料机构是靠一对或两对送料轮压紧钢丝，以送料轮的旋转带动钢丝直线前进的装置。
Two, feeding mechanism: feeding mechanism is to rely on a pair of or two of the feed wheel to press the wire, in order to feed wheel rotation to drive the wire straight ahead of the device.
现主要产品有：限速器、安全钳、缓冲器、钢丝绳制动器、门锁、导靴、开门机、导向轮等产品。
The products mainly cover: speed governor, safety gear, buffer, steel cable brake, lock, guide shoe, door opener, guide wheel, etc.
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