Wireless emergency paging systems is used in disabilities, patient and oldster who will be helped by other person or help other person and danger place.
无线寻呼系统是用于紧急士老前辈谁会耐心帮助其他人或帮助他人和危险的地方。
Wireless emergency paging systems is used in disabilities, patient and oldster who will be helped by other person or help other person and danger place.
无线寻呼系统是用于紧急士老前辈谁会耐心帮助其他人或帮助他人和危险的地方。
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