手机

医牙激光通过连在手上类似一个标准牙钻的东西上的光导纤维索而发射出强大的光束。

它由下座、升运管、上座上盖、输送带、有底无底料斗等组成。

cannot bear the slight touch of the hand

right-hand rule【电磁】

cable support with rolling-up attachment for hand irons

left bracket【计】;left parenthesis【计】;left-hand bracket【计】

old hand

operation of wheeled vehicles exclusively by hand power

silk hand-painted picture

hand-made paper