口外体层x线片检查的英文

body section extraoral radiographic examination

• 体:    body; part of the ...
• 层:    I storey; tier; st ...
• x:    vt. (x-ed, x'd x-i ...
• 线:    thread; string; wi ...
• 片:    a flat,thin piece; ...
• 检查:    check up; inspect; ...