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Escape Wheel cock 擒纵轮
escape wheel pinion 擒纵轮齿轴
escape wheel bridge 擒纵轮夹板
escape wheel teeth 擒纵轮齿
escape wheel guard 擒纵轮护板
escape wheel tooth 擒纵轮齿
escape wheel cock jewel 擒上钻
endstone for escape whee 擒纵轮托钻