I also introduced the product lifetime technical support, will periodically send service personnel for sale with onsite consulting services.
我公司还对产品实行终身的技术支持，将定期派出售用服务人员进行上门咨询服务。
I also introduced the product lifetime technical support, will periodically send service personnel for sale with onsite consulting services.
我公司还对产品实行终身的技术支持，将定期派出售用服务人员进行上门咨询服务。
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