二维彩色多普勒超声
Two dimensional color Dopplar ultuasound
two dimensional color Doppler ultrasound
多普勒超声,彩色
color Doppler ultrasonography
多普勒彩色超声心动描记术
Doppler color echocardiography
床旁彩色多普勒超声
color Doppler ultrasonography
超声检查,多普勒,彩色
ultrasonography doppler color
超声彩色多普勒
color Doppler flow imaging
彩色显像管纯平荫罩
The color picture tube perfectly flat mask
彩色显像管玻壳压机
Glass shell press of colour kinescope