[仪] 测功器测速装置 speed difference measuring device: 速差测量装置yarn speed measuring device: 纱线测速仪measuring device: 测量设备; 测量仪表; 测量仪器; 测量装置; 计量装置; 量测工具sonar speed measuring set: 声纳测速仪speed measuring instrument: 航速测量仪表; 速度测量仪表; 速度仪表下载手机词典可随时随地查词查翻译