Such positions included job titles like manager of research and development, director of finance, mechanical engineer and construction supervisor.

这些职位的头衔包括像研发经理、财务主管、机械工程师和结构监理师。

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Each customer is entitled to 24-hour technical free questions, customers can demand access to sales, sales Manager, or a specific mechanical technician.

每个客户享有24小时技术免费质询，客户可根据需求联系到销售专员、销售经理或特定机械技术员。

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These positions included job titles like manager of research and development, director of finance, mechanical engineer and construction supervisor.

这些职位包括研发经理、财务总监、机械工程师和建筑监理等。

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