无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

單項(xiàng)選擇題

A technician does not have power to a PC. Which of the following tools should the technician use to check for electricity?()

A. Cable tester
B. Power supply tester
C. Tone generator
D. Multimeter

微信掃碼免費(fèi)搜題