英语词汇“tracking ball”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	tracking ball
释义	tracking ball 跟踪球
随便看	shaft encoder shaft encoders shaft end shaft end output shaft-end output shaft end play shaft end ring shaft end seal shaft equipment shafter Shaftesbury Shaftesbury, Anthony Ashley Cooper, 1st Earl of Shaftesbury, Anthony Ashley Cooper, 3rd Earl of Shaftesbury, Anthony Ashley Cooper, 7th Earl of Shaftesbury Avenue shaft excavation shaft extension shaft-extension type tubular turbine shaft facing shaft feather shaft filler washer shaft fit shaft flange shaft for adjustment shaft force jjbq jjbt jjbw jjbx jjbyzwjh jjcc jjcd jjcg jjcs jjcw 開襟開設開講開豁開通開運開錠開鑿開門開閉