99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

單項選擇題

A technician dropped a screw in the case of a desktop computer. Which of the following toolsshould be used to retrieve the screws?()

A. Computer vacuum
B. Plastic tweezers
C. Canned air
D. Screwdriver with magnetized tip

微信掃碼免費(fèi)搜題