[物理] 精密称量装置; 精密称重装备; 精量仪; 精密称量仪器; 精密测量仪器 precision weighing: 精密称量weighing apparatus: 称量装置; 衡器precision weighing equipment: 高精度测重仪precision-weighing gear: 精密称量传动装置precision measuring apparatus: 精密测量仪器下载手机词典可随时随地查词查翻译