be proficient at
美
英 
英汉解释
例句
Must be proficient at both English and Chinese in writing and speaking- Strong analytical and organizational skills.
须有良好的英文和中文的书写和听说能力。-卓越的分析和组织能力。
Be proficient at plating process and be familiar with machining, coating and die-casting process.
精通电镀工艺。熟悉机加工,喷涂,压铸工艺。
Manage suppliers related to plating, coating, machining and so on. Be proficient at surface treatment processes is must.
对电镀,喷涂,机加工等供应商的管理,必须精通表面处理工艺。