英语词汇“trackball”的读音、翻译、释义、用法及例句-开邑网

词汇	trackball
释义	trackballtrackballD.J.:[ˈtrækbɔ:l]K.K.:[ˈtrækˌbɔl]n.1.■跟踪球
随便看	operating movement operating officer operating organ operating panel operating path operatingperformance operating performance test operating pit operating pitch radius operating platform operating position operating power operating pressure angle operating pressure at sprinkler operating principle operating procedure operating profit operating profit ratio operating railway operating rate operating rate of blast furnace operating ratio operating record of machine operating region operating regulations

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