provide trainings to the operators
...Provide trainings to the operators; follow up the process of trial-run; provide improvement plans if needed. 训练操作人员，跟进试用过程；如果有必要进行改进 Support PE/ applicants to buy off equipments on site.
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provide trainings to the operators
对操作人员进行培训
以上为机器翻译结果，长、整句建议使用 人工翻译 。