This both are all-important links therefore in machine work industry.
因此这两者在机械加工行业中是至关重要的环节。
Have experience in petrochemical industry and machine building industry, 3 years work experience;
有石油化工机器制造、检验背景，工作经验三年以上；
Have experience in petrochemical industry and machine building industry, 3 years work experience;
有石油化工设备制造、检验、监理背景，工作三年以上；
Have experience in petrochemical industry and machine building industry, 3 years work experience;
有石油化工设备制造、检验、监理背景，工作三年以上；
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