accompany grundfos sales team during customer visits to factory and be main responsible for answering technical questions related to products performance testing and application commissioning
陪同格兰富销售团队参观客户工厂，主要负责解答与产品性能测试和应用调试相关的技术问题
以上为机器翻译结果，长、整句建议使用 人工翻译 。