设计员工多为钢结构或机械类工程师，生产员工为专业技术人员。
Design staff for the steel structure or mechanical engineers, production staff for the professional and technical personnel.
设计员工多为钢结构或机械类工程师，生产员工为专业技术人员。
Design staff for the steel structure or mechanical engineers, production staff for the professional and technical personnel.
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