基本解释[機械工程]正齒輪組英汉例句雙語例句This article describes an effective method to set up the three-dimensional model for spur gear, helical gear by CAXA.介紹了採用CAXA軟件創建漸開線直齒輪、斜齒輪三維模型的有傚方法。专业释义機械工程正齒輪組