has mechanical background is preferred
...年以上工作经验；More than two years experience; 有机械背景佳；Has mechanical background is preferred; 基本英语听说写能力；Basic skill in English listening,speaking and writting; ..
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has mechanical background is preferred
有机械背景优先考虑
以上为机器翻译结果，长、整句建议使用 人工翻译 。