英语词汇phototachometer怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	phototachometer
释义	Definition of phototachometer in English: phototachometer noun ˌfəʊtəʊtaˈkɒmɪtəˌfəʊtəʊtəˈkɒmɪtə An optical device for measuring the speed of rotation of a part. Origin Late 19th century (in an earlier sense). From photo- + tachometer. Definition of phototachometer in US English: phototachometer noun An optical device for measuring the speed of rotation of a part. Origin Late 19th century (in an earlier sense). From photo- + tachometer.
随便看	rope's length rope somebody in rope somebody into rope someone in rope someone in/into rope someone in/into rope someone into rope something off rope something off rope sth off rope stitch rope swing rope-tide rope tow rope trick rope twine rope twister rope up rope-walk ropewalk ropewalker rope-walker rope-walking rope-walking rope-walking

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Definition of phototachometer in English: