The child had ingested a "button" battery, one of those flat silver discs used to power remote controls, toys, musical greeting CARDS, bathroom scales and other home electronics.
孩子吞食的是一枚“纽扣”电池，一枚银色扁平碟状样的东西，是用来给遥控器，玩具，音乐贺卡，浴室秤及其它家用电器等供电的一枚电池。
Are the switch mainframe and CARDS compatible with other equipment in the system with respect to triggering, controls, and connections?
开关主机和插卡是否兼容系统中的其它设备，以实现触发、控制及连接？
Are the switch mainframe and CARDS compatible with other equipment in the system with respect to triggering, controls, and connections?
开关主机和插卡是否兼容系统中的其它设备，以实现触发、控制及连接？
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