用看孔镜目视检查的英文

boroscope examination

• 用:    40分钟跑完全程 run the c ...
• 看:    see; look at; watc ...
• 孔:    hole; opening; ape ...
• 镜:    looking glass; mir ...
• 目视:    visual
• 检查:    check up; inspect; ...