基本解释[土木建筑工程]叶根销英汉例句双语例句This paper gives the design method and key point during machining of pin holes on rotor for the fork-type blade root.论述了转子叉形齿叶根销孔加工用钻模的设计方法及制造时关键要点。blade root pin更多例句专业释义土木建筑工程叶根销