定标器定标者管径测量管口径测定器口径测量器校准器audiometer calibrater: 听力计测定仪built-in calibrater: 内部校准器calibrater battery: 定标电池dialgage calibrater: 百分表检定仪sphincter calibrater: 肛门括约肌测量器下载手机词典可随时随地查词查翻译