点火凸轮 ignition cam

正砗点火凸轮 ahead ignition cam

点火分电器凸轮 Ignition cam

点火器凸轮 igniter cam

倒点火凸轮 astern ignition cam

倒点火凸轮 astern ignition cam

点火提前齿轮 timing advance gear

正俥点火凸轮 ahead ignition cam

倒俥点火凸轮 astern ignition cam