求翻译：供方在接到需方的信息后应立即响应，作出初步判断，并根据需方检修进展情况于1小时内作出最终准确判断，同时提出可行的排故意见和措施。若确需供方派员现场处理，则应在48小时内赶至需方现场。是什么意思？

After receiving the demand side of information, the supplier shall respond immediately, make a preliminary judgment and depending on the repair progress within 1 hour to make the final judge, while proposing feasible troubleshooting advice, and measures. If really necessary for parties to send their staff on-site, you should be driven to demand-side site within 48 hours.