英语词汇“standard reference zero”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

英汉翻译词典包含4368284条英汉汉英翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习的有利工具。

单词	standard reference zero
释义	standard reference zero 标准听力零级
随便看	manually operated fire resisting door manually-operated gate manually operated machinery manually operated mixing manually operated parachute manually operated pile driver manually-operated plotting board manually operated plotting board manually operated point manually operated press manually operated pump piston pump manually operated punched card manually-operateds manually-operated screw manually operated screw manually operated signal manually operated spray system manually-operated spray system manually operated switch manually-operated tool manually operated tools manually-operated tool thread cutting manually operated trackball manually-operated turning gear manually operated turning gear