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【简答题】
A．She cannot get on well with her male colleagues. B．She cannot bear the bad breath and horrible scenes when patients open their mouths. C．She welcomes the laser treatment. D．She prefers the traditional drills (牙钻) to the advanced laser treatment.
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题目标签：牙钻
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】种植手术用牙钻的注册号[[]]
A.
川械注准20202170015
B.
川械注准20202170020
C.
川械注准20202170005
D.
川械注准20202170007