词汇	A型超声扫描仪
释义	A型超声扫描仪医A-mode scanner
随便看	direct-current relay direct current resistance direct-current resistance direct current resistance box direct current resistance rate method direct current resistance welding power source direct-current resistitivy sounding Direct current resistivity direct current resistivity curve direct current resistivity method direct current resistor direct-current resonance charge direct current restoration direct-current restoration direct current restorer direct-current restorer direct current restoring circuit direct-current restoring circuit direct current reversing motor direct-current reversing motor direct current ring direct current ringer direct-current ringer direct current ringing direct currents