齿轮节距测量仪
gear pitch measuring instrument
齿轮渐开线及螺旋角测量仪
involute and helix measuring instrument
车轮外形测量仪
wheel profilometer
wheel profile measuring instrument
超声衰减测量仪
ultrasonic attenuation measuring device
超声多普勒血流测量仪
medical ultrasound doppler flowing measure
超导辐射热测量仪
superconducting bolometer
场强测量仪
field intensity measuring instrument
长途载波通信传输测量仪
long distance wave carrier teletransmissional measurement instrument