题目内容
Cloud printers provide printing services to users without access to the Internet.
查看答案
搜索结果不匹配？点我反馈
更多问题
Thermal printers use heat elements to produce images on heat-sensitive paper and are used at ATMs and gasoline pumps.
Wireless audio-output connections typically use Bluetooth technology.
Multifunctional devices (MFDs) are used to capture as well as play back recorded sounds.
Telephony, also known as Internet telephony, is the VoIP application that uses the Internet rather than traditional telephone lines to support voice communication.
微信支付 
支付宝支付