“ultrasonic scaler”概念、定义、翻译-科学时代

单词	ultrasonic scaler
释义	环境科学与工程词汇手册 ultrasonic scaler 超声波除垢器；超声波洁牙器
随便看	signature loan signature loan signature measurement signature of bearer signature scheme signature title signature tune signature tune signature tune sign behaviour sign bit sign bit signboard signboard sign-board sign board display sign check indicator sign code sign control flip-flop sign convention signed signed signed ballot signed division signed edition

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。